Five Hoops Are Each Pivoted at a Point on the Rim

Multiple Choice

Five hoops are each pivoted at a point on the rim and allowed to swing as physical pendulums. The masses and radii are
Hoop 1: M = 150g and R = 50 cm
Hoop 2: M = 200g and R = 40 cm
Hoop 3: M = 250g and R = 30 cm
Hoop 4: M = 300g and R = 20 cm
Hoop 5: M = 350g and R = 10 cm
Order the hoops according to the periods of their motions, smallest to largest.

A) 1, 2, 3, 4, 5
B) 5, 4, 3, 2, 1
C) 1, 2, 3, 5, 4
D) 1, 2, 5, 4, 3
E) 5, 4, 1, 2, 3