1. The problem statement, all variables and given/known data A kite 100 ft above the ground moves horizontally at a speed of 8 ft/s. At what rate is the angle between the string and the horizontal decreasing when 200 ft of string has been let out? 2. Relevant equations 3. The attempt at a solution I have done the pythagreon therom and found the horizontal to be 173.2050808 Aside from that i am lost can someone help get me started?