Question

A child flies a kite at a height of 150 ​ft, the wind carrying the kite horizontally away from the child at a rate of 78 ft/sec. How fast must the child let out the string when the kite is 390 ft away from the​ child?

Answer 1

Answer: the answer is 24.5 feet per second

Answer 2

About 24.5 feet per second

Explanation:

See photos. The step are labeled.