Find the velocity of b, vb, when θ=24.0∘ and ϕ=3.08∘. The crank is rotating at 240 rpm (revolutions per minute). Express your answer in component form.
A) vb = (120π/7) m/s
B) vb = (180π/7) m/s
C) vb = (240π/7) m/s
D) vb = (300π/7) m/s