A car, moving along a straight road, brakes and finally stops. Which row shows the expression used to calculate the thinking distance and names a variable that affects thinking distance?
- Abraking distance $+\,$ stopping distance; load carried
- Bbraking distance $+\,$ stopping distance; speed of car
- Cstopping distance $-\,$ braking distance; load carried
- Dstopping distance $-\,$ braking distance; speed of car