An Ice Dancer with Her Arms Stretched Out Starts into a Spin

Multiple Choice

An ice dancer with her arms stretched out starts into a spin with an angular velocity of 1.00 rad/s. Her moment of inertia with her arms stretched out is 2.48 kg m². What is her angular velocity when she pulls in her arms to make her moment of inertia 1.40 kg m²?

A) 2.67 rad/s
B) 2.45 rad/s
C) 2.03 rad/s
D) 1.90 rad/s
E) 1.77 rad/s