The Rotating Systems Shown in the Figure Differ Only in That

Multiple Choice

The rotating systems shown in the figure differ only in that the two identical movable masses are positioned a distance r from the axis of rotation (left) , or a distance $r / 2$ from the axis of rotation (right) . If you release the hanging blocks simultaneously from rest,

A) both blocks land at the same time.
B) the block at the left lands first.
C) the block at the right lands first.