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 fur/fortnight = 9.6052e-11 AU/d
1 AU/d = 10,411,051,082.47 fur/fortnight
例子:
将15 每两周弗隆转换为Astronomical Unit per Day：
15 fur/fortnight = 1.4408e-9 AU/d
| 每两周弗隆 | Astronomical Unit per Day |
|---|---|
| 0.01 fur/fortnight | 9.6052e-13 AU/d |
| 0.1 fur/fortnight | 9.6052e-12 AU/d |
| 1 fur/fortnight | 9.6052e-11 AU/d |
| 2 fur/fortnight | 1.9210e-10 AU/d |
| 3 fur/fortnight | 2.8816e-10 AU/d |
| 5 fur/fortnight | 4.8026e-10 AU/d |
| 10 fur/fortnight | 9.6052e-10 AU/d |
| 20 fur/fortnight | 1.9210e-9 AU/d |
| 30 fur/fortnight | 2.8816e-9 AU/d |
| 40 fur/fortnight | 3.8421e-9 AU/d |
| 50 fur/fortnight | 4.8026e-9 AU/d |
| 60 fur/fortnight | 5.7631e-9 AU/d |
| 70 fur/fortnight | 6.7236e-9 AU/d |
| 80 fur/fortnight | 7.6841e-9 AU/d |
| 90 fur/fortnight | 8.6447e-9 AU/d |
| 100 fur/fortnight | 9.6052e-9 AU/d |
| 250 fur/fortnight | 2.4013e-8 AU/d |
| 500 fur/fortnight | 4.8026e-8 AU/d |
| 750 fur/fortnight | 7.2039e-8 AU/d |
| 1000 fur/fortnight | 9.6052e-8 AU/d |
| 10000 fur/fortnight | 9.6052e-7 AU/d |
| 100000 fur/fortnight | 9.6052e-6 AU/d |
规则