The velocity of point C with respect to inertial frame is: W a) ( 92 1 + 12 2 ) x x + ( 921 + 122 + w) x ( AB + BC), c b) (921 + 122 + w) x (AB + BC), c) ( 92 1 + 12) x x tic + (121 + 82 + w) x ( AB + BC), d) ( 92 1 + 12 ) x xti + (921 + 12) x AB + ( 9 1 + 12 + w) x BC