Two masses $m_1 = 5\; kg$ and $m_2 = 4.8 \; kg$ tied to a string are hanging over a light frictionless pulley. What is the acceleration of the masses when light free to move ? <br> ($g = 9.8\; m/s^2$) <br>

Question

( A ) $0.2\;m/s^2$
( B ) $5\;m/s^2$
( C ) $4.8\;m/s^2$
( D ) $9.8\;m/s^2$