A 55-kg bungee jumper leaps from a bridge. She is tied to a bungee cord that is 12 m long when…

A 55-kg bungee jumper leaps from a bridge.
She is tied to a bungee cord that is 12 m long when unstretched, and falls a
total of 31 m. (a) Calculate the spring constant k of the bungee cord assuming
Hooke’s law applies. (b) Calculate the maximum acceleration she experiences.