An airplane flies at a constant altitude of 1200 m and a constant speed of 80 m/s when a 7.0 kg bowling ball falls out of the cargo hold. What is the speed of the bowling ball as it hits the ground? Ignore air resistance.
A. 208 m/s
B. 140 m/s
C. 153 m/s
D. 173 m/s
E. 187 m/s