You are the owner of a bungee jumping company. You must calculate how long to make the bungee cord for your customers to give them the biggest thrill, but without hurting them. You have tested your bungee cords on different weights of people and have come up with the table below for a man who weighs 180 lbs. and is 6 feet tall.

Length-cord(ft) | Length-fall(ft)

5ft | 21 ft
15ft | 51 ft
20ft | 66 ft

How long should you make the bungee cord to give that man the greatest thrill without him hitting the water when jumping off a 150 foot bridge?

O about 60 feet
O about 47 feet
O about 55 feet
O about 32 feet