The boxes of masse 2 kg and 8 kg are connected by a massless string passing over smooth pulleys

The boxes of masse 2 kg and 8 kg are connected by a massless string passing over smooth pulleys. Calculate the time taken by box of mass 8 kg to strike the ground starting from rest. (use g = 10 m/s2)

A: 0.34 s
B: 0.2 s
C: 0.25 s
D: 0.4 s
Answer
Source: JEE Main 2021 (Online) 27th August Evening Shift