Sec2.7: Problem 9 (1 point) Book Problem 1B A A boat is pulled into a dock by means oi a rope attached to a pulley on the dock. The rope is attached to the front of the boat. which Is 9 feet below the level of the pulley' (There is a diagram oi this situation with problem 18 on p132 of the text.) it the rope is pulled through the pulley at a rate 0118 lmin, at what rate will the boat be approaching the dock when 100 ft of rope is out? filmin Preview My Answers Submit Answers ' You have attempted this problem 0 times. You have unlimited attempts remaining