7. A ball is pushed with an initial velocity of4.0 m/s. The ball rolls down a hill with aconstant acceleration of 1.7 m/s2. The ballreaches the bottom of the hill in 5.0 s. Whatis the ball's velocity at the bottom of thehill?A. 10 m/sB. 8 m/sC. 13 m/sD. 11 m/s