A rocket of initial mass 6000kg ejects mass at constant rate of 200 kg/sec. with constant relative speed of 800 m/sec. The acceleration of the rocket after 5 sec is (neglect gravity)

Options

A. `50 m//s^(2)`
B. `16 m//s^(2)`
C. `60 m//s^(2)`
D. `32 m//s^(2)`

Answer

D