4.2 |
10.05 |
4.3 |
10.29 |
4.4 |
10.53 |
4.5 |
10.77 |
4.6 |
11.01 |
4.7 |
11.25 |
4.8 |
11.49 |
4.9 |
11.73 |
5.0 |
11.97 |
I can't take credit for the formula. Someone smarter than me did it. I looked up a few people with times for both and it seems reasonably close.
x = 40 time
x/2.54 + 2x ~ 100m time