Question

If a car is speeding down a road at 40 \(\rm miles/hour\) (\(\rm mph\)), how long is the stopping distance \(\texttip{D_{\rm 40}}{D_40}\) compared to the stopping distance \(\texttip{D_{\rm 25}}{D_25}\) if the driver were going at the posted speed limit of 25 \(\rm mph\)?

Answer 1

I think the formatting got messed up, I'd like to help you though