速度是相对于参考框架的对象位置的变化速率。它以每次距离的单位（例如每秒米（m/s））进行测量。
1 km/s = 0.621 mps
1 mps = 1.609 km/s
例子:
将15 每秒公里转换为每秒英里：
15 km/s = 9.321 mps
| 每秒公里 | 每秒英里 |
|---|---|
| 0.01 km/s | 0.006 mps |
| 0.1 km/s | 0.062 mps |
| 1 km/s | 0.621 mps |
| 2 km/s | 1.243 mps |
| 3 km/s | 1.864 mps |
| 5 km/s | 3.107 mps |
| 10 km/s | 6.214 mps |
| 20 km/s | 12.427 mps |
| 30 km/s | 18.641 mps |
| 40 km/s | 24.855 mps |
| 50 km/s | 31.069 mps |
| 60 km/s | 37.282 mps |
| 70 km/s | 43.496 mps |
| 80 km/s | 49.71 mps |
| 90 km/s | 55.924 mps |
| 100 km/s | 62.137 mps |
| 250 km/s | 155.343 mps |
| 500 km/s | 310.686 mps |
| 750 km/s | 466.03 mps |
| 1000 km/s | 621.373 mps |
| 10000 km/s | 6,213.727 mps |
| 100000 km/s | 62,137.274 mps |
规则