a ball is dropped from the upper observation deck of the cn tower in toronto, 450 meters above ground. The height of the ball above the ground after t seconds is expressed by the equation h(t)=450-4.9t^2. A camera on the ground 100 meters from the CN Towers records the fall of the ball. The camera turns so it is pointed at the ball at all times. In radians per second, how fast does the camera turn when the ball is 200 meters from the ground.

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