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 AU/d = 5,680,632.218 ft/s
1 ft/s = 1.7604e-7 AU/d
例子:
将15 Astronomical Unit per Day转换为每秒脚：
15 AU/d = 85,209,483.268 ft/s
| Astronomical Unit per Day | 每秒脚 |
|---|---|
| 0.01 AU/d | 56,806.322 ft/s |
| 0.1 AU/d | 568,063.222 ft/s |
| 1 AU/d | 5,680,632.218 ft/s |
| 2 AU/d | 11,361,264.436 ft/s |
| 3 AU/d | 17,041,896.654 ft/s |
| 5 AU/d | 28,403,161.089 ft/s |
| 10 AU/d | 56,806,322.178 ft/s |
| 20 AU/d | 113,612,644.357 ft/s |
| 30 AU/d | 170,418,966.535 ft/s |
| 40 AU/d | 227,225,288.714 ft/s |
| 50 AU/d | 284,031,610.892 ft/s |
| 60 AU/d | 340,837,933.071 ft/s |
| 70 AU/d | 397,644,255.249 ft/s |
| 80 AU/d | 454,450,577.428 ft/s |
| 90 AU/d | 511,256,899.606 ft/s |
| 100 AU/d | 568,063,221.785 ft/s |
| 250 AU/d | 1,420,158,054.462 ft/s |
| 500 AU/d | 2,840,316,108.924 ft/s |
| 750 AU/d | 4,260,474,163.386 ft/s |
| 1000 AU/d | 5,680,632,217.848 ft/s |
| 10000 AU/d | 56,806,322,178.478 ft/s |
| 100000 AU/d | 568,063,221,784.777 ft/s |
规则