tracked by an observer located 2km from the lift-off point. If the angle θ between the observer's line-of-sight and the horizontal is changing at a constant rate of 0.1 rad/min. Which statement is true? a. The balloon is rising faster and faster b. The balloon is rising slower and slower. c. The balloon is rising at a constant speed d. There is not enough information to determine the speed of the balloon

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A: To find:-

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A: