If a mass of 2 kg is attached to a string that is wrapped around a 2 kg pulley with a moment of inertia
−2kg⋅m^2 and a radius of 10 cm, how quickly will the mass accelerate when dropped?
a. 9.8 m / s2
b. 6.5 m / s2
c. 3.3 m / s2
d. 0.0 m / s2