A 70-N Block and a 35-N Block Are Connected by a String

Multiple Choice

A 70-N block and a 35-N block are connected by a string as shown.If the pulley is massless and the surface is frictionless, the magnitude of the acceleration of the 35-N block is:

A) 1.6 m/s²
B) 3.3 m/s²
C) 4.9 m/s²
D) 6.5 m/s²
E) 9.8 m/s²