A massless string is wrapped around a cylinder of mass 0.400 kg
and radius 0.100 m. The string is attached to the ceiling. The
cylinder is released. As it falls, the string unwinds. What is the
magnitude of the acceleration of the cylinder as it falls in m/s²?
A. 6.54 m/s²
B. 4.71 m/s²
C. 3.22 m/s²
D. 2.19 m/s²
