The answer in the back of the book is 2.2*10^3 N*s [up].

54. A bungee jumper with a mass of 78 kg, tied to a 39 m cord, jumps off the Sault Ste. Marie bridge from a height of 69 m. She falls to 6.0 m above the ground before the cord brings her momentarily to rest. Calculate the impulse exerted on the jumper by the cord as it stretches. (5.1) 30