The acceleration of the car is ft/s2.
The acceleration of the object is , where
is the velocity.
Hence .
The antiderivative of is
, where
is the constant.
Initial velocity of the car is mi/h.
The velocity of the car in ft/s is .
Substitute and
in
.
Therefore the velocity of the car is .
The car comes to rest when .
After s car comes to rest position.
The velocity of the object is , where
is the distance.
Hence .
The antiderivative of is
, where
is the constant.
Initial distance is .
Therefore the distance of the car at time is
.
Find the distance travelled by the car.
\Substitute in
.
Therefore the distance travelled by the car is ft.
The distance travelled by the car is ft.