The formula for velocity is
[tex]v=rw[/tex]Where:
v = velocity
r = radius
w = wheel rotation
Therefore, we find the wheel rotation (w):
[tex]\begin{gathered} 11=8.9w \\ \frac{11}{8.9}=\frac{8.9w}{8.9} \\ w=1.23 \end{gathered}[/tex]Answer: 1.2 rad/sec
