0 kg circus performer oscillates up and down at the end of a long elastic rope at a rate of once every 8. The elastic rope obeys Hooke’s Law.

A 55.0 kg circus performer oscillates up and down at the end of a long elastic rope at a rate of once every 8.00 s. The elastic rope obeys Hooke’s Law. By how much is the rope extended beyond its unloaded length when the performer hangs at rest?