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/h² = 0.084 yd/s
1 yd/s = 11.851 km/h²
例子:
将15 每小时平方转换为每秒院子：
15 km/h² = 1.266 yd/s
| 每小时平方 | 每秒院子 |
|---|---|
| 0.01 km/h² | 0.001 yd/s |
| 0.1 km/h² | 0.008 yd/s |
| 1 km/h² | 0.084 yd/s |
| 2 km/h² | 0.169 yd/s |
| 3 km/h² | 0.253 yd/s |
| 5 km/h² | 0.422 yd/s |
| 10 km/h² | 0.844 yd/s |
| 20 km/h² | 1.688 yd/s |
| 30 km/h² | 2.531 yd/s |
| 40 km/h² | 3.375 yd/s |
| 50 km/h² | 4.219 yd/s |
| 60 km/h² | 5.063 yd/s |
| 70 km/h² | 5.907 yd/s |
| 80 km/h² | 6.751 yd/s |
| 90 km/h² | 7.594 yd/s |
| 100 km/h² | 8.438 yd/s |
| 250 km/h² | 21.096 yd/s |
| 500 km/h² | 42.192 yd/s |
| 750 km/h² | 63.287 yd/s |
| 1000 km/h² | 84.383 yd/s |
| 10000 km/h² | 843.832 yd/s |
| 100000 km/h² | 8,438.32 yd/s |
规则