Using a telescope, you track a rocket that was launched 13 km away recording the angle ? between the telescope and the ground at half‑second intervals. Estimate the velocity of the rocket if ?(10)=0.205 and ?(10.5)=0.225.   (Give your answer in kilometers (km) per hour (h) and round to one decimal place.)

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Using a telescope, you track a rocket that was launched 13 km away recording the angle ? between the telescope and the ground at half‑second intervals. Estimate the velocity of the rocket if ?(10)=0.205 and ?(10.5)=0.225.

 

(Give your answer in kilometers (km) per hour (h) and round to one decimal place.)

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