A cart moves on a muddy road. The radius of its wheels is r = 0.6 meters. A small bit of mud detaches from the edge of the wheel and flies off at an angle of θ with respect to the horizontal. What is the velocity of the bit of mud when it detaches?

a) v = r ω

b) v = r ω sin(θ)

c) v = r ω cos(θ)

d) v = r ω tan(θ)