Bar BDE is pinned to two links, AB and CD. At the instant shown the angular velocities of link AB, link CD and bar BDE are ωAB, ωCD, and ωBDE, respectively. Which of the following statements concerning the angular speeds of the three objects is true at this instant?

(a) ωAB = ωCD = ωBDE
(b) ωBDE > ωAB > ωCD
(c) ωAB = ωCD > ωBDE
(d) ωAB > ωCD > ωBDE
(e) ωCD > ωAB > ωBDE

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240 mm 150 mm ID 150 mm 180 mm