速度是对象移动的速度，而速度是指定方向的速度。它以每秒米（m/s）为单位进行测量。
1 mi/s = 5,279.987 ft/s
1 ft/s = 0 mi/s
例子:
将15 每秒英里转换为每秒脚：
15 mi/s = 79,199.803 ft/s
| 每秒英里 | 每秒脚 |
|---|---|
| 0.01 mi/s | 52.8 ft/s |
| 0.1 mi/s | 527.999 ft/s |
| 1 mi/s | 5,279.987 ft/s |
| 2 mi/s | 10,559.974 ft/s |
| 3 mi/s | 15,839.961 ft/s |
| 5 mi/s | 26,399.934 ft/s |
| 10 mi/s | 52,799.869 ft/s |
| 20 mi/s | 105,599.738 ft/s |
| 30 mi/s | 158,399.606 ft/s |
| 40 mi/s | 211,199.475 ft/s |
| 50 mi/s | 263,999.344 ft/s |
| 60 mi/s | 316,799.213 ft/s |
| 70 mi/s | 369,599.081 ft/s |
| 80 mi/s | 422,398.95 ft/s |
| 90 mi/s | 475,198.819 ft/s |
| 100 mi/s | 527,998.688 ft/s |
| 250 mi/s | 1,319,996.719 ft/s |
| 500 mi/s | 2,639,993.438 ft/s |
| 750 mi/s | 3,959,990.157 ft/s |
| 1000 mi/s | 5,279,986.877 ft/s |
| 10000 mi/s | 52,799,868.766 ft/s |
| 100000 mi/s | 527,998,687.664 ft/s |
规则