These diagrams show pendulums formed by a mass at the end of a massless string. Each of them is shown at the angle of maximum deflection from equilibrium. This angle is the same in all cases. Rank these pendulums with respect to their speed at the bottom of the swing.
A. (CF) A D (BE)    B. B (CD) E (AF)    C. C F (BD) A E    D. All same