X
Need some help? you can contact us anytime.

Convert dekalitre/day to hectolitre/second

Dekalitre/day and Hectolitre/second both are the units of volume flow rate. SI Derived Unit of volume flow rate is cubic meter/second.

Conversion

  • ⇅
  • Convert

  • Convert to other units:

    Convert dekalitre/day : to Go
Dekalitre/day is not the default SI Derived Unit of volume flow rate category.

Dekalitre/day Symbol is and alternate name for this unit is dekalitres/day.
Hectolitre/second Symbol is and alternate name for this unit is hectolitres/second.

Scale Factor of Dekalitre/day as compare to SI Derived Unit cubic meter/second is 1.15740740741E-7 and scale factor of Hectolitre/second as compare to SI Derived Unit cubic meter/second is 0.1.

To convert hectolitre/second to dekalitre/day following formula will be used:

Dekalitre/day = 1.15740740741E-6 hectolitre/second

Dekalitre/day ↔ Hectolitre/second Conversion Table
1 Dekalitre/day = 1.15740740741E-6 hectolitre/second
2 Dekalitre/day = 2.31481481482E-6 hectolitre/second
3 Dekalitre/day = 3.47222222223E-6 hectolitre/second
4 Dekalitre/day = 4.62962962964E-6 hectolitre/second
5 Dekalitre/day = 5.78703703705E-6 hectolitre/second
6 Dekalitre/day = 6.94444444446E-6 hectolitre/second
7 Dekalitre/day = 8.10185185187E-6 hectolitre/second
8 Dekalitre/day = 9.25925925928E-6 hectolitre/second
9 Dekalitre/day = 1.041666666669E-5 hectolitre/second
10 Dekalitre/day = 1.15740740741E-5 hectolitre/second
11 Dekalitre/day = 1.273148148151E-5 hectolitre/second
12 Dekalitre/day = 1.388888888892E-5 hectolitre/second
13 Dekalitre/day = 1.504629629633E-5 hectolitre/second
14 Dekalitre/day = 1.620370370374E-5 hectolitre/second
15 Dekalitre/day = 1.736111111115E-5 hectolitre/second
16 Dekalitre/day = 1.851851851856E-5 hectolitre/second
17 Dekalitre/day = 1.967592592597E-5 hectolitre/second
18 Dekalitre/day = 2.083333333338E-5 hectolitre/second
19 Dekalitre/day = 2.199074074079E-5 hectolitre/second
20 Dekalitre/day = 2.31481481482E-5 hectolitre/second
21 Dekalitre/day = 2.430555555561E-5 hectolitre/second
22 Dekalitre/day = 2.546296296302E-5 hectolitre/second
23 Dekalitre/day = 2.662037037043E-5 hectolitre/second
24 Dekalitre/day = 2.777777777784E-5 hectolitre/second
25 Dekalitre/day = 2.893518518525E-5 hectolitre/second
26 Dekalitre/day = 3.009259259266E-5 hectolitre/second
27 Dekalitre/day = 3.125000000007E-5 hectolitre/second
28 Dekalitre/day = 3.240740740748E-5 hectolitre/second
29 Dekalitre/day = 3.356481481489E-5 hectolitre/second
30 Dekalitre/day = 3.47222222223E-5 hectolitre/second
31 Dekalitre/day = 3.587962962971E-5 hectolitre/second
32 Dekalitre/day = 3.703703703712E-5 hectolitre/second
33 Dekalitre/day = 3.819444444453E-5 hectolitre/second
34 Dekalitre/day = 3.935185185194E-5 hectolitre/second
35 Dekalitre/day = 4.050925925935E-5 hectolitre/second
36 Dekalitre/day = 4.166666666676E-5 hectolitre/second
37 Dekalitre/day = 4.282407407417E-5 hectolitre/second
38 Dekalitre/day = 4.398148148158E-5 hectolitre/second
39 Dekalitre/day = 4.513888888899E-5 hectolitre/second
40 Dekalitre/day = 4.62962962964E-5 hectolitre/second
41 Dekalitre/day = 4.745370370381E-5 hectolitre/second
42 Dekalitre/day = 4.861111111122E-5 hectolitre/second
43 Dekalitre/day = 4.976851851863E-5 hectolitre/second
44 Dekalitre/day = 5.092592592604E-5 hectolitre/second
45 Dekalitre/day = 5.208333333345E-5 hectolitre/second
46 Dekalitre/day = 5.324074074086E-5 hectolitre/second
47 Dekalitre/day = 5.439814814827E-5 hectolitre/second
48 Dekalitre/day = 5.555555555568E-5 hectolitre/second
49 Dekalitre/day = 5.671296296309E-5 hectolitre/second
50 Dekalitre/day = 5.78703703705E-5 hectolitre/second

Dekalitre/day Conversion Table:

Conversion of Dekalitre/day to other volume flow rate Units.

dekalitre/day Other Units Converter
1 dekalitre/day = 8.1071319217898E-6 acre foot/day Dekalitre/day to Acre Foot/day
1 dekalitre/day = 8.1070832851738E-6 acre foot/day [survey] Dekalitre/day to Acre Foot/day [survey]
1 dekalitre/day = 3.377971634087E-7 acre foot/hour Dekalitre/day to Acre Foot/hour
1 dekalitre/day = 3.3779513688145E-7 acre foot/hour [survey] Dekalitre/day to Acre Foot/hour [survey]
1 dekalitre/day = 5.6299527234619E-9 acre foot/minute Dekalitre/day to Acre Foot/minute
1 dekalitre/day = 5.6299189480242E-9 acre foot/minute [survey] Dekalitre/day to Acre Foot/minute [survey]
1 dekalitre/day = 9.3832545391183E-11 acre foot/second Dekalitre/day to Acre Foot/second
1 dekalitre/day = 9.383198246707E-11 acre foot/second [survey] Dekalitre/day to Acre Foot/second [survey]
1 dekalitre/day = 9.7285583061205E-5 acre inch/day Dekalitre/day to Acre Inch/day
1 dekalitre/day = 9.7284999421949E-5 acre inch/day [survey] Dekalitre/day to Acre Inch/day [survey]
1 dekalitre/day = 4.0535659608949E-6 acre inch/hour Dekalitre/day to Acre Inch/hour
1 dekalitre/day = 4.0535416425727E-6 acre inch/hour [survey] Dekalitre/day to Acre Inch/hour [survey]
1 dekalitre/day = 6.7559432681739E-8 acre inch/minute Dekalitre/day to Acre Inch/minute
1 dekalitre/day = 6.7559027376291E-8 acre inch/minute [survey] Dekalitre/day to Acre Inch/minute [survey]
1 dekalitre/day = 1.1259905446978E-9 acre inch/second Dekalitre/day to Acre Inch/second
1 dekalitre/day = 1.1259837896048E-9 acre inch/second [survey] Dekalitre/day to Acre Inch/second [survey]
1 dekalitre/day = 0.062898107438645 barrel/day [petroleum] Dekalitre/day to Barrel/day [petroleum]
1 dekalitre/day = 0.061102568971998 barrel/day [UK] Dekalitre/day to Barrel/day [UK]
1 dekalitre/day = 0.085216790723042 barrel/day [US beer/wine] Dekalitre/day to Barrel/day [US Beer/wine]
1 dekalitre/day = 0.083864143251679 barrel/day [US] Dekalitre/day to Barrel/day [US]
1 dekalitre/day = 0.0026207544766067 barrel/hour [petroleum] Dekalitre/day to Barrel/hour [petroleum]
1 dekalitre/day = 0.0025459403738377 barrel/hour [UK] Dekalitre/day to Barrel/hour [UK]
1 dekalitre/day = 0.003550699613471 barrel/hour [US beer/wine] Dekalitre/day to Barrel/hour [US Beer/wine]
1 dekalitre/day = 0.0034943393021448 barrel/hour [US] Dekalitre/day to Barrel/hour [US]
1 dekalitre/day = 4.3679241276811E-5 barrel/minute [petroleum] Dekalitre/day to Barrel/minute [petroleum]
1 dekalitre/day = 4.2432339563962E-5 barrel/minute [UK] Dekalitre/day to Barrel/minute [UK]
1 dekalitre/day = 5.9178326891062E-5 barrel/minute [US beer/wine] Dekalitre/day to Barrel/minute [US Beer/wine]
1 dekalitre/day = 5.8238988369081E-5 barrel/minute [US] Dekalitre/day to Barrel/minute [US]
1 dekalitre/day = 7.2798735461351E-7 barrel/second [petroleum] Dekalitre/day to Barrel/second [petroleum]
1 dekalitre/day = 7.0720565939937E-7 barrel/second [UK] Dekalitre/day to Barrel/second [UK]
1 dekalitre/day = 9.8630544818604E-7 barrel/second [US beer/wine] Dekalitre/day to Barrel/second [US Beer/wine]
1 dekalitre/day = 9.7064980615135E-7 barrel/second [US] Dekalitre/day to Barrel/second [US]
1 dekalitre/day = 3.5314666212764E-10 billion cubic foot/day Dekalitre/day to Billion Cubic Foot/day
1 dekalitre/day = 1.4714444255315E-11 billion cubic foot/hour Dekalitre/day to Billion Cubic Foot/hour
1 dekalitre/day = 2.4524073758848E-13 billion cubic foot/minute Dekalitre/day to Billion Cubic Foot/minute
1 dekalitre/day = 4.0873456264746E-15 billion cubic foot/second Dekalitre/day to Billion Cubic Foot/second
1 dekalitre/day = 1000 centilitre/day Dekalitre/day to Centilitre/day
1 dekalitre/day = 41.666666666727 centilitre/hour Dekalitre/day to Centilitre/hour
1 dekalitre/day = 0.69444444444461 centilitre/minute Dekalitre/day to Centilitre/minute
1 dekalitre/day = 0.0115740740741 centilitre/second Dekalitre/day to Centilitre/second
1 dekalitre/day = 2.3991275831718E-12 cubem/day Dekalitre/day to Cubem/day
1 dekalitre/day = 9.996364929886E-14 cubem/hour Dekalitre/day to Cubem/hour
1 dekalitre/day = 1.6660608216453E-15 cubem/minute Dekalitre/day to Cubem/minute
1 dekalitre/day = 2.7767680360768E-17 cubem/second Dekalitre/day to Cubem/second
1 dekalitre/day = 10000 cubic centimetre/day Dekalitre/day to Cubic Centimetre/day
1 dekalitre/day = 416.66666666727 cubic centimetre/hour Dekalitre/day to Cubic Centimetre/hour
1 dekalitre/day = 6.9444444444461 cubic centimetre/minute Dekalitre/day to Cubic Centimetre/minute
1 dekalitre/day = 0.115740740741 cubic centimetre/second Dekalitre/day to Cubic Centimetre/second
1 dekalitre/day = 10 cubic decimetre/day Dekalitre/day to Cubic Decimetre/day
1 dekalitre/day = 0.41666666666727 cubic decimetre/hour Dekalitre/day to Cubic Decimetre/hour
1 dekalitre/day = 0.0069444444444461 cubic decimetre/minute Dekalitre/day to Cubic Decimetre/minute
1 dekalitre/day = 0.000115740740741 cubic decimetre/second Dekalitre/day to Cubic Decimetre/second
1 dekalitre/day = 1.0E-5 cubic dekametre/day Dekalitre/day to Cubic Dekametre/day
1 dekalitre/day = 4.1666666666727E-7 cubic dekametre/hour Dekalitre/day to Cubic Dekametre/hour
1 dekalitre/day = 6.9444444444461E-9 cubic dekametre/minute Dekalitre/day to Cubic Dekametre/minute
1 dekalitre/day = 1.15740740741E-10 cubic dekametre/second Dekalitre/day to Cubic Dekametre/second
1 dekalitre/day = 0.35314666212764 cubic foot/day Dekalitre/day to Cubic Foot/day
1 dekalitre/day = 0.014714444255315 cubic foot/hour Dekalitre/day to Cubic Foot/hour
1 dekalitre/day = 0.00024524073758848 cubic foot/minute Dekalitre/day to Cubic Foot/minute
1 dekalitre/day = 4.0873456264746E-6 cubic foot/second Dekalitre/day to Cubic Foot/second
1 dekalitre/day = 610.23743215731 cubic inch/day Dekalitre/day to Cubic Inch/day
1 dekalitre/day = 25.426559673166 cubic inch/hour Dekalitre/day to Cubic Inch/hour
1 dekalitre/day = 0.42377599455214 cubic inch/minute Dekalitre/day to Cubic Inch/minute
1 dekalitre/day = 0.0070629332425529 cubic inch/second Dekalitre/day to Cubic Inch/second
1 dekalitre/day = 1.0E-11 cubic kilometre/day Dekalitre/day to Cubic Kilometre/day
1 dekalitre/day = 4.1666666666727E-13 cubic kilometre/hour Dekalitre/day to Cubic Kilometre/hour
1 dekalitre/day = 6.9444444444461E-15 cubic kilometre/minute Dekalitre/day to Cubic Kilometre/minute
1 dekalitre/day = 1.15740740741E-16 cubic kilometre/second Dekalitre/day to Cubic Kilometre/second
1 dekalitre/day = 0.01 cubic metre/day Dekalitre/day to Cubic Metre/day
1 dekalitre/day = 0.00041666666666727 cubic metre/hour Dekalitre/day to Cubic Metre/hour
1 dekalitre/day = 6.9444444444461E-6 cubic metre/minute Dekalitre/day to Cubic Metre/minute
1 dekalitre/day = 1.15740740741E-7 cubic meter/second Dekalitre/day to Cubic Meter/second
1 dekalitre/day = 2.3991275831718E-12 cubic mile/day Dekalitre/day to Cubic Mile/day
1 dekalitre/day = 9.996364929886E-14 cubic mile/hour Dekalitre/day to Cubic Mile/hour
1 dekalitre/day = 1.6660608216453E-15 cubic mile/minute Dekalitre/day to Cubic Mile/minute
1 dekalitre/day = 2.7767680360768E-17 cubic mile/second Dekalitre/day to Cubic Mile/second
1 dekalitre/day = 10000000 cubic millimetre/day Dekalitre/day to Cubic Millimetre/day
1 dekalitre/day = 416666.66666727 cubic millimetre/hour Dekalitre/day to Cubic Millimetre/hour
1 dekalitre/day = 6944.4444444461 cubic millimetre/minute Dekalitre/day to Cubic Millimetre/minute
1 dekalitre/day = 115.740740741 cubic millimetre/second Dekalitre/day to Cubic Millimetre/second
1 dekalitre/day = 0.013079506004719 cubic yard/day Dekalitre/day to Cubic Yard/day
1 dekalitre/day = 0.00054497941686328 cubic yard/hour Dekalitre/day to Cubic Yard/hour
1 dekalitre/day = 9.0829902810546E-6 cubic yard/minute Dekalitre/day to Cubic Yard/minute
1 dekalitre/day = 1.5138317135091E-7 cubic yard/second Dekalitre/day to Cubic Yard/second
1 dekalitre/day = 4.0873456264746E-6 cusec Dekalitre/day to Cusec
1 dekalitre/day = 100 decilitre/day Dekalitre/day to Decilitre/day
1 dekalitre/day = 4.1666666666727 decilitre/hour Dekalitre/day to Decilitre/hour
1 dekalitre/day = 0.069444444444461 decilitre/minute Dekalitre/day to Decilitre/minute
1 dekalitre/day = 0.00115740740741 decilitre/second Dekalitre/day to Decilitre/second
1 dekalitre/day = 0.041666666666727 dekalitre/hour Dekalitre/day to Dekalitre/hour
1 dekalitre/day = 0.00069444444444461 dekalitre/minute Dekalitre/day to Dekalitre/minute
1 dekalitre/day = 1.15740740741E-5 dekalitre/second Dekalitre/day to Dekalitre/second
1 dekalitre/day = 2.1996924829961 gallon/day [UK] Dekalitre/day to Gallon/day [UK]
1 dekalitre/day = 2.6417205124199 gallon/day [US] Dekalitre/day to Gallon/day [US]
1 dekalitre/day = 0.091653853457997 gallon/hour [UK] Dekalitre/day to Gallon/hour [UK]
1 dekalitre/day = 0.11007168801733 gallon/hour [US] Dekalitre/day to Gallon/hour [US]
1 dekalitre/day = 0.001527564224302 gallon/minute [UK] Dekalitre/day to Gallon/minute [UK]
1 dekalitre/day = 0.0018345281336251 gallon/minute [US] Dekalitre/day to Gallon/minute [US]
1 dekalitre/day = 2.5459403738377E-5 gallon/second [UK] Dekalitre/day to Gallon/second [UK]
1 dekalitre/day = 3.0575468893767E-5 gallon/second [US] Dekalitre/day to Gallon/second [US]
1 dekalitre/day = 6.9444444444461E-10 hectare meter/minute Dekalitre/day to Hectare Meter/minute
1 dekalitre/day = 1.0E-6 hectare metre/day Dekalitre/day to Hectare Metre/day
1 dekalitre/day = 4.1666666666727E-8 hectare metre/hour Dekalitre/day to Hectare Metre/hour
1 dekalitre/day = 1.15740740741E-11 hectare metre/second Dekalitre/day to Hectare Metre/second
1 dekalitre/day = 0.1 hectolitre/day Dekalitre/day to Hectolitre/day
1 dekalitre/day = 0.0041666666666727 hectolitre/hour Dekalitre/day to Hectolitre/hour
1 dekalitre/day = 6.9444444444461E-5 hectolitre/minute Dekalitre/day to Hectolitre/minute
1 dekalitre/day = 1.15740740741E-6 hectolitre/second Dekalitre/day to Hectolitre/second
1 dekalitre/day = 0.01 kilolitre/day Dekalitre/day to Kilolitre/day
1 dekalitre/day = 0.00041666666666727 kilolitre/hour Dekalitre/day to Kilolitre/hour
1 dekalitre/day = 6.9444444444461E-6 kilolitre/minute Dekalitre/day to Kilolitre/minute
1 dekalitre/day = 1.15740740741E-7 kilolitre/second Dekalitre/day to Kilolitre/second
1 dekalitre/day = 10000000 lambda/day Dekalitre/day to Lambda/day
1 dekalitre/day = 416666.66666727 lambda/hour Dekalitre/day to Lambda/hour
1 dekalitre/day = 6944.4444444461 lambda/minute Dekalitre/day to Lambda/minute
1 dekalitre/day = 115.740740741 lambda/second Dekalitre/day to Lambda/second
1 dekalitre/day = 10 litre/day Dekalitre/day to Litre/day
1 dekalitre/day = 0.41666666666727 litre/hour Dekalitre/day to Litre/hour
1 dekalitre/day = 0.0069444444444461 litre/minute Dekalitre/day to Litre/minute
1 dekalitre/day = 0.000115740740741 litre/second Dekalitre/day to Litre/second
1 dekalitre/day = 10000 millilitre/day Dekalitre/day to Millilitre/day
1 dekalitre/day = 416.66666666727 millilitre/hour Dekalitre/day to Millilitre/hour
1 dekalitre/day = 6.9444444444461 millilitre/minute Dekalitre/day to Millilitre/minute
1 dekalitre/day = 0.115740740741 millilitre/second Dekalitre/day to Millilitre/second
1 dekalitre/day = 8.1071319217898E-12 million acre foot/day Dekalitre/day to Million Acre Foot/day
1 dekalitre/day = 3.377971634087E-13 million acre foot/hour Dekalitre/day to Million Acre Foot/hour
1 dekalitre/day = 5.6299527234619E-15 million acre foot/minute Dekalitre/day to Million Acre Foot/minute
1 dekalitre/day = 9.3832545391183E-17 million acre foot/second Dekalitre/day to Million Acre Foot/second
1 dekalitre/day = 3.5314666212764E-7 million cubic foot/day Dekalitre/day to Million Cubic Foot/day
1 dekalitre/day = 1.4714444255315E-8 million cubic foot/hour Dekalitre/day to Million Cubic Foot/hour
1 dekalitre/day = 2.4524073758848E-10 million cubic foot/minute Dekalitre/day to Million Cubic Foot/minute
1 dekalitre/day = 4.0873456264746E-12 million cubic foot/second Dekalitre/day to Million Cubic Foot/second
1 dekalitre/day = 2.1996924829961E-6 million gallon/day [UK] Dekalitre/day to Million Gallon/day [UK]
1 dekalitre/day = 2.6417205124199E-6 million gallon/day [US] Dekalitre/day to Million Gallon/day [US]
1 dekalitre/day = 9.1653853457997E-8 million gallon/hour [UK] Dekalitre/day to Million Gallon/hour [UK]
1 dekalitre/day = 1.1007168801733E-7 million gallon/hour [US] Dekalitre/day to Million Gallon/hour [US]
1 dekalitre/day = 1.527564224302E-9 million gallon/minute [UK] Dekalitre/day to Million Gallon/minute [UK]
1 dekalitre/day = 1.8345281336251E-9 million gallon/minute [US] Dekalitre/day to Million Gallon/minute [US]
1 dekalitre/day = 2.5459403738377E-11 million gallon/second [UK] Dekalitre/day to Million Gallon/second [UK]
1 dekalitre/day = 3.0575468893767E-11 million gallon/second [US] Dekalitre/day to Million Gallon/second [US]
1 dekalitre/day = 0.00016349382505898 miner's inch [AZ/ CA/ OR] Dekalitre/day to Miner's Inch [AZ/ CA/ OR]
1 dekalitre/day = 0.00015695407205662 miner's inch [CO] Dekalitre/day to Miner's Inch [CO]
1 dekalitre/day = 0.00020383645929178 miner's inch [ID/ WA/ NM] Dekalitre/day to Miner's Inch [ID/ WA/ NM]
1 dekalitre/day = 351.95079727965 ounce/day [UK] Dekalitre/day to Ounce/day [UK]
1 dekalitre/day = 338.14022558991 ounce/day [US] Dekalitre/day to Ounce/day [US]
1 dekalitre/day = 14.664616553307 ounce/hour [UK] Dekalitre/day to Ounce/hour [UK]
1 dekalitre/day = 14.089176066246 ounce/hour [US] Dekalitre/day to Ounce/hour [US]
1 dekalitre/day = 0.24441027588825 ounce/minute [UK] Dekalitre/day to Ounce/minute [UK]
1 dekalitre/day = 0.23481960110429 ounce/minute [US] Dekalitre/day to Ounce/minute [US]
1 dekalitre/day = 0.0040735045981404 ounce/second [UK] Dekalitre/day to Ounce/second [UK]
1 dekalitre/day = 0.0039136600184022 ounce/second [US] Dekalitre/day to Ounce/second [US]
1 dekalitre/day = 0.0021402828007708 petrograd standard/day Dekalitre/day to Petrograd Standard/day
1 dekalitre/day = 8.9178450032173E-5 petrograd standard/hour Dekalitre/day to Petrograd Standard/hour
1 dekalitre/day = 1.4863075005362E-6 petrograd standard/minute Dekalitre/day to Petrograd Standard/minute
1 dekalitre/day = 2.4771791675604E-8 petrograd standard/second Dekalitre/day to Petrograd Standard/second
1 dekalitre/day = 10.56688209167 quart/day Dekalitre/day to Quart/day
1 dekalitre/day = 0.44028675448953 quart/hour Dekalitre/day to Quart/hour
1 dekalitre/day = 0.0073381125655206 quart/minute Dekalitre/day to Quart/minute
1 dekalitre/day = 0.00012230187609201 quart/second Dekalitre/day to Quart/second
1 dekalitre/day = 0.01 stere/day Dekalitre/day to Stere/day
1 dekalitre/day = 0.00041666666666727 stere/hour Dekalitre/day to Stere/hour
1 dekalitre/day = 6.9444444444461E-6 stere/minute Dekalitre/day to Stere/minute
1 dekalitre/day = 1.15740740741E-7 stere/second Dekalitre/day to Stere/second
1 dekalitre/day = 0.00035314666212764 thousand cubic foot/day Dekalitre/day to Thousand Cubic Foot/day
1 dekalitre/day = 1.4714444255315E-5 thousand cubic foot/hour Dekalitre/day to Thousand Cubic Foot/hour
1 dekalitre/day = 2.4524073758848E-7 thousand cubic foot/minute Dekalitre/day to Thousand Cubic Foot/minute
1 dekalitre/day = 4.0873456264746E-9 thousand cubic foot/second Dekalitre/day to Thousand Cubic Foot/second
1 dekalitre/day = 3.5314666212764E-13 trillion cubic foot/day Dekalitre/day to Trillion Cubic Foot/day
1 dekalitre/day = 1.4714444255315E-14 trillion cubic foot/hour Dekalitre/day to Trillion Cubic Foot/hour
1 dekalitre/day = 2.4524073758848E-16 trillion cubic foot/minute Dekalitre/day to Trillion Cubic Foot/minute
1 dekalitre/day = 4.0873456264746E-18 trillion cubic foot/second Dekalitre/day to Trillion Cubic Foot/second