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 M/s = 343,000 mm/s
1 mm/s = 2.9155e-6 M/s
例子:
将15 声音速度转换为每秒毫米：
15 M/s = 5,145,000 mm/s
| 声音速度 | 每秒毫米 |
|---|---|
| 0.01 M/s | 3,430 mm/s |
| 0.1 M/s | 34,300 mm/s |
| 1 M/s | 343,000 mm/s |
| 2 M/s | 686,000 mm/s |
| 3 M/s | 1,029,000 mm/s |
| 5 M/s | 1,715,000 mm/s |
| 10 M/s | 3,430,000 mm/s |
| 20 M/s | 6,860,000 mm/s |
| 30 M/s | 10,290,000 mm/s |
| 40 M/s | 13,720,000 mm/s |
| 50 M/s | 17,150,000 mm/s |
| 60 M/s | 20,580,000 mm/s |
| 70 M/s | 24,010,000 mm/s |
| 80 M/s | 27,440,000 mm/s |
| 90 M/s | 30,870,000 mm/s |
| 100 M/s | 34,300,000 mm/s |
| 250 M/s | 85,750,000 mm/s |
| 500 M/s | 171,500,000 mm/s |
| 750 M/s | 257,250,000 mm/s |
| 1000 M/s | 343,000,000 mm/s |
| 10000 M/s | 3,430,000,000 mm/s |
| 100000 M/s | 34,300,000,000 mm/s |
规则