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 c = 90,846,199.394 R/s
1 R/s = 1.1008e-8 c
例子:
将15 光速转换为跑步速度：
15 c = 1,362,692,990.909 R/s
| 光速 | 跑步速度 |
|---|---|
| 0.01 c | 908,461.994 R/s |
| 0.1 c | 9,084,619.939 R/s |
| 1 c | 90,846,199.394 R/s |
| 2 c | 181,692,398.788 R/s |
| 3 c | 272,538,598.182 R/s |
| 5 c | 454,230,996.97 R/s |
| 10 c | 908,461,993.939 R/s |
| 20 c | 1,816,923,987.879 R/s |
| 30 c | 2,725,385,981.818 R/s |
| 40 c | 3,633,847,975.758 R/s |
| 50 c | 4,542,309,969.697 R/s |
| 60 c | 5,450,771,963.636 R/s |
| 70 c | 6,359,233,957.576 R/s |
| 80 c | 7,267,695,951.515 R/s |
| 90 c | 8,176,157,945.455 R/s |
| 100 c | 9,084,619,939.394 R/s |
| 250 c | 22,711,549,848.485 R/s |
| 500 c | 45,423,099,696.97 R/s |
| 750 c | 68,134,649,545.455 R/s |
| 1000 c | 90,846,199,393.939 R/s |
| 10000 c | 908,461,993,939.394 R/s |
| 100000 c | 9,084,619,939,393.941 R/s |
规则