When do you need to speed? How can you tell if you’re going fast enough? The Speedy Recovery Created by Holden Saab 340 Flight in Trouble! Mel, the mathematician, is on board the flight Stewardess informs him: Speed indicator is broken
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How can you tell if you’re going fast enough?
1 mile in 12 seconds
Or 2 miles in 24 sec
Or 3 miles in 36 sec
Or 4 miles in 48 sec
Or 5 miles in 60 sec
So they are going five miles in a minute
There are 60 minutes in an hour
Therefore, the plane is traveling 5 X 60 or 300 miles per hourStep 3
“There is no need to worry, ma’am. We are going a normal cruising speed of 300 miles an hour and not losing speed. There is no emergency.”