Project 2: Recently Rob Gronkowski broke the Guinness World Record for catching a football tossed from a helicopter (link to twitter video on Canvas). The ball was dropped at a height of 600 ft. The mass of a football is 145 g, its drag coefficient is 0.19, and its projected area is 113 cm. The density of air is 1.2754 kg/m. Vt = 2mg PACa Ans: . V, represents terminal velocity. .m is the mass of the falling object, . g is the acceleration due to gravity, . Ca is the drag coefficient, p is the density of the fluid through which the object is falling, and A is the projected area of the object. Using the equation above, estimate the terminal velocity of a football in m/s and mph. Ans: With the ball reaching Rob at that speed, assume the length of his forearms are 0.3 m, and calculate the time it takes for the ball traveling at that velocity to travel that length to get a sense of his reaction time to catch the ball. Q: What would be speed of the ball be if it was released at 650 ft? And how might that be more, less or the same amount of difficulty. Q: What were the real sources of difficulty in this attempt if any?