A car starts from rest and accelerates at 5 m/s². At t = 4 s, a ball is dropped out of a window by a person sitting in the car. What is the velocity and acceleration of the ball at t = 6 s​?
(g = 10 m/s²)
A. 20√2 m/s, 10 m/s²
B. 20 m/s, 5 m/s²
C. 20 m/s, 0 m/s²
D. 20 √2 m/s, 0 m/s²