What happens to braking distance when speed is doubled?
En español: ¿Qué ocurre con la distancia de frenado cuando la velocidad se duplica?
A
It doubles
B
It triples
C
It quadruples
Correct answer
D
It increases by 50%
Why this is the correct answer
Braking distance is not proportional to speed but to its square. Therefore, when speed is doubled, braking distance quadruples.
Topic:
Speed