A television camera at ground level is 2000 feet away from the launching pad of a space rocket that is set to take off vertically, as seen in the following figure. The angle of elevat of the camera can be found by 0 = tan - 1 where x is the height of the rocket. 2000 Find the rate of change of the angle of elevation after launch when the camera and the rocket are 5160 feet apart. 0' radians per foot. Round to five decimal places.

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