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 ft/s = 304,800,000 nm/s
1 nm/s = 3.2808e-9 ft/s
例子:
将15 每秒脚转换为纳米每秒：
15 ft/s = 4,572,000,000 nm/s
| 每秒脚 | 纳米每秒 |
|---|---|
| 0.01 ft/s | 3,048,000 nm/s |
| 0.1 ft/s | 30,480,000 nm/s |
| 1 ft/s | 304,800,000 nm/s |
| 2 ft/s | 609,600,000 nm/s |
| 3 ft/s | 914,400,000 nm/s |
| 5 ft/s | 1,524,000,000 nm/s |
| 10 ft/s | 3,048,000,000 nm/s |
| 20 ft/s | 6,096,000,000 nm/s |
| 30 ft/s | 9,144,000,000 nm/s |
| 40 ft/s | 12,192,000,000 nm/s |
| 50 ft/s | 15,240,000,000 nm/s |
| 60 ft/s | 18,288,000,000 nm/s |
| 70 ft/s | 21,336,000,000 nm/s |
| 80 ft/s | 24,384,000,000 nm/s |
| 90 ft/s | 27,432,000,000 nm/s |
| 100 ft/s | 30,480,000,000 nm/s |
| 250 ft/s | 76,200,000,000 nm/s |
| 500 ft/s | 152,400,000,000 nm/s |
| 750 ft/s | 228,600,000,000 nm/s |
| 1000 ft/s | 304,800,000,000 nm/s |
| 10000 ft/s | 3,048,000,000,000 nm/s |
| 100000 ft/s | 30,480,000,000,000 nm/s |
规则