Answer:
The three "accelerators" are: the throttle, the steering wheel and the brakes.
Step-by-step explanation:
Acceleration means change in velocity. But this change may be in module or in direction.
Car throttle will increase the velocity module of the car and brakes wil diminish it. On the other hand, the steering wheel will change the direction of the velocity.
Hope my answer helps you. Have a nive day!