Question

If the center O of the wheel is moving with a speed of vₐ = 6 m/s, determine the velocity of point A on the wheel. The gear rack B is fixed.

a) vₐ = 6 m/s
b) vₐ = 12 m/s
c) vₐ = 18 m/s
d) vₐ = 24 m/s