+244 A bullet is fired 30° from the horizontal on the edge of a 20 m high cliff as shown in the figure, with initial velocity components are 440 m/s (horizontal) and 86 m/s (vertical). The projectile reaches maximum height at point P and then falls and impacts the ground at point Q. What is the vertical distance between P and Q? Neglect air resistance.
A.400 m
B.90,000 m
C.45,000 m
D.470 m
E.940 m
