[dragonwriter]

> 35 in a 25. That is a big difference, by the way. Almost twice as fast.

1.4 times as fast is not "almost" twice as fast. 50 is twice as fast as 25; 49 is 1.4 times as fast as 35 which is 1.4 times as fast as 25.

[TulliusCicero]

You're correct, but it is true that 35 mph would be roughly double the kinetic energy, which probably matters for accidents.