Five persons A, B, C, D & E are pulling a cart of mass 100kg on a smooth surface and cart is moving with acceleration `1 m//s^2` in east direction. When person 'A' stops pulling, it moves with acceleration 1m/s in the west direction. When person 'B' stops pulling, it moves with acceleration `24m//s^2` in the north direction. The magnitude of acceleration of the cart when only A & B pull the cart keeping their directions same as the old direction is

Options

A. `26 m//s^2`
B. `2sqrt71 m//s^2`
C. `25 m//s^2`
D. `30 m//s^2`

Answer

C