Time in | Miles | Time | Miles | Time | Miles | |||
min | sec | per hour | min | sec | per hour | min | sec | per hour |
0 | 20 | 180.0 | 0 | 44 | 81.8 | 1 | 08 | 52.9 |
0 | 21 | 171.4 | 0 | 45 | 80.0 | 1 | 09 | 52.2 |
0 | 22 | 163.6 | 0 | 46 | 78.3 | 1 | 10 | 51.4 |
0 | 23 | 156.5 | 0 | 47 | 76.6 | 1 | 11 | 50.7 |
0 | 24 | 150.0 | 0 | 48 | 75.0 | 1 | 12 | 50.0 |
0 | 25 | 144.0 | 0 | 49 | 73.5 | 1 | 13 | 49.3 |
0 | 26 | 138.5 | 0 | 50 | 72.0 | 1 | 14 | 48.6 |
0 | 27 | 133.3 | 0 | 51 | 70.6 | 1 | 15 | 48.0 |
0 | 28 | 128.6 | 0 | 52 | 69.2 | 1 | 16 | 47.4 |
0 | 29 | 124.1 | 0 | 53 | 67.9 | 1 | 17 | 46.8 |
0 | 30 | 120.0 | 0 | 54 | 66.7 | 1 | 18 | 46.2 |
0 | 31 | 116.1 | 0 | 55 | 65.5 | 1 | 19 | 45.6 |
0 | 32 | 112.5 | 0 | 56 | 64.3 | 1 | 20 | 45.0 |
0 | 33 | 109.1 | 0 | 57 | 63.2 | 1 | 21 | 44.4 |
0 | 34 | 105.9 | 0 | 58 | 62.1 | 1 | 22 | 43.9 |
0 | 35 | 102.9 | 0 | 59 | 61.0 | 1 | 23 | 43.4 |
0 | 36 | 100.0 | 0 | 60 | 60.0 | 1 | 24 | 42.9 |
0 | 37 | 97.3 | 1 | 01 | 59.0 | 1 | 25 | 42.4 |
0 | 38 | 94.7 | 1 | 02 | 58.1 | 1 | 26 | 41.9 |
0 | 39 | 92.3 | 1 | 03 | 57.1 | 1 | 27 | 41.4 |
0 | 40 | 90.0 | 1 | 04 | 56.2 | 1 | 28 | 40.9 |
0 | 41 | 87.8 | 1 | 05 | 55.4 | 1 | 29 | 40.4 |
0 | 42 | 85.7 | 1 | 06 | 54.5 | 1 | 30 | 40.0 |
0 | 43 | 83.7 | 1 | 07 | 53.7 | 1 | 31 | 39.6 |
To find the rate of speed in miles per hour divide 3600, the number of seonds in an hour by the number of seconds required to traverse 1 mile. That is, if 1 mile is traversed in 25 seconds, the rate per hour in miles = 3600 ÷ 25 = 144 miles per hour