Braking distance

Question

(1 point)
Responses

increases as speed decreases.
increases as speed decreases.

decreases as speed increases.
decreases as speed increases.

doubles if speed doubles.
doubles if speed doubles.

increases as speed increases.

Answer 1

The correct response is:

increases as speed increases.

Braking distance increases with the square of the speed. This means that if you double your speed, the braking distance increases by a factor of four (not doubles), so it's important to keep that in mind when driving.