​An Airplane Flying at an Altitude of 4 Miles Passes

question 2

Multiple Choice

​An airplane flying at an altitude of 4 miles passes directly over a radar antenna.When the airplane is 25 miles away ,the radar detects that the distance s is changing at a rate of 220 miles per hour.What is the speed of the airplane? Round your answer to the nearest integer. ​

• A) ​223 mi/hr
• B) ​​206 mi/hr
• C) ​446​ mi/hr
• D) ​​111 mi/hr
• E) ​​103 mi/hr

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