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 c = 1,802,617,757,855.084 fur/fortnight
1 fur/fortnight = 5.5475e-13 c
例子:
将15 光速转换为每两周弗隆：
15 c = 27,039,266,367,826.254 fur/fortnight
| 光速 | 每两周弗隆 |
|---|---|
| 0.01 c | 18,026,177,578.551 fur/fortnight |
| 0.1 c | 180,261,775,785.508 fur/fortnight |
| 1 c | 1,802,617,757,855.084 fur/fortnight |
| 2 c | 3,605,235,515,710.167 fur/fortnight |
| 3 c | 5,407,853,273,565.25 fur/fortnight |
| 5 c | 9,013,088,789,275.418 fur/fortnight |
| 10 c | 18,026,177,578,550.836 fur/fortnight |
| 20 c | 36,052,355,157,101.67 fur/fortnight |
| 30 c | 54,078,532,735,652.51 fur/fortnight |
| 40 c | 72,104,710,314,203.34 fur/fortnight |
| 50 c | 90,130,887,892,754.17 fur/fortnight |
| 60 c | 108,157,065,471,305.02 fur/fortnight |
| 70 c | 126,183,243,049,855.84 fur/fortnight |
| 80 c | 144,209,420,628,406.7 fur/fortnight |
| 90 c | 162,235,598,206,957.5 fur/fortnight |
| 100 c | 180,261,775,785,508.34 fur/fortnight |
| 250 c | 450,654,439,463,770.9 fur/fortnight |
| 500 c | 901,308,878,927,541.8 fur/fortnight |
| 750 c | 1,351,963,318,391,312.5 fur/fortnight |
| 1000 c | 1,802,617,757,855,083.5 fur/fortnight |
| 10000 c | 18,026,177,578,550,836 fur/fortnight |
| 100000 c | 180,261,775,785,508,350 fur/fortnight |
规则