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 = 4.692 M/s
1 M/s = 0.213 mi/s
例子:
将15 每秒英里转换为声音速度：
15 mi/s = 70.379 M/s
| 每秒英里 | 声音速度 |
|---|---|
| 0.01 mi/s | 0.047 M/s |
| 0.1 mi/s | 0.469 M/s |
| 1 mi/s | 4.692 M/s |
| 2 mi/s | 9.384 M/s |
| 3 mi/s | 14.076 M/s |
| 5 mi/s | 23.46 M/s |
| 10 mi/s | 46.92 M/s |
| 20 mi/s | 93.839 M/s |
| 30 mi/s | 140.759 M/s |
| 40 mi/s | 187.678 M/s |
| 50 mi/s | 234.598 M/s |
| 60 mi/s | 281.517 M/s |
| 70 mi/s | 328.437 M/s |
| 80 mi/s | 375.356 M/s |
| 90 mi/s | 422.276 M/s |
| 100 mi/s | 469.195 M/s |
| 250 mi/s | 1,172.988 M/s |
| 500 mi/s | 2,345.977 M/s |
| 750 mi/s | 3,518.965 M/s |
| 1000 mi/s | 4,691.953 M/s |
| 10000 mi/s | 46,919.534 M/s |
| 100000 mi/s | 469,195.335 M/s |
规则