An ideal string pulley system is shown in the figure and system is released from rest choose correct option

Options

A. When mass B moves with speed 4m/s the speed of mass A is 1 m/s
B. When mass B moves with speed 1m/s, the speed of mass A is 4m/s
C. In the time interval in which the mass A covers distance 8 m, in the same time interval, mass B travels a distance 1m.
D. in the time interval in which the mass A covers distance 1m, in the same time inverval, mass B travels a distance 8 m.

Answer

C

Explanation

`8X_(B)=X_(A)implies8V_(B)implies8a_(B)=a_(A)`