Two Blocks of Masses 24 Kg and 9 Kg Are

Multiple Choice

Two blocks of masses 24 kg and 9 kg are connected together by a light string and rest on a frictionless level surface.Attached to the 9-kg mass is another light string,which a person uses to pull both blocks horizontally.If the two-block system accelerates at 0.6 m/s² what is the tension in the connecting string between the blocks?

A) 19.8 N
B) 9 N
C) 14.4 N
D) 5.4 N
E) ​40 N