Problem # p016

Linkage and velocity
The shown contraption consists of the two rods AB and BC. Rod AB can rotate freely about the fixed point A if it were not connected by a pin/hole connection to rod BC. At point C a glider is attached to rod BC allowing point C to move only in the x-direction.
At a given instant in time, the coordinates of point B are :

xB = 2.5 m     yB = 2.0 m

For point C we have :

xC = 5.5 m     yC = 0

Given is also the velocity of point C :

vx,C = +10 m/s
Determine the x- and y-component of the velocity of point B.