What Constant Torque,in the Absence of Friction,must Be Applied to a Wheel

Multiple Choice

What constant torque,in the absence of friction,must be applied to a wheel to give it an angular velocity of 50 rad/s if it starts from rest and is accelerated for 10 s? The moment of inertia of the wheel about its axle is 9.0 kg · m².

A) 4.5 N · m
B) 9.0 N · m
C) 45 N · m
D) 30 N · m
E) 60 N · m