A Wheel Rotates Through an Angle of 13 $0.616 \mathrm { rad } / \mathrm { s } ^ { 2 }$

Multiple Choice

A wheel rotates through an angle of 13.8 rad as it slows down uniformly from 22.0 rad/s to 13.5 rad/s. What is the magnitude of the angular acceleration of the wheel?

A) $0.616 \mathrm { rad } / \mathrm { s } ^ { 2 }$
B) $5.45 \mathrm { rad } / \mathrm { s } ^ { 2 }$
C) $22.5 \mathrm { rad } / \mathrm { s } ^ { 2 }$
D) $10.9 \mathrm { rad } / \mathrm { s } 2$
E) $111 \mathrm { rad } / \mathrm { s } 2$