Problem statement: A person is standing directly under a hot air balloon that is 350 feet above them. At the same time, the person starts moving away from the balloon at 8ft//sec and the balloon starts dropping straight down at a rate of 4ft//sec. Is the distance between the person and the balloon increasing or decreasing 9 seconds after they start moving? Questions student is to answer and/or complete: 1. Using complete sentences and terms that a person with limited understanding of Calculus could understand, explain the methods you will use to arrive at the answer to the problem. 2. Using Calculus techniques (including mathematically correct notation) get an answer for the problem. 3. Using complete sentences and terms that a person with limited understanding of Calculus could understand, explain how you know that your answer of "increasing" or "decreasing" is correct.