-- Write it down
-- Multiply it by ' 1 ' twice. (Remember that a fraction where
the numerator is equal to the denominator is ' 1 '.)
Let's say the speed is 'Q' miles per hour.
Here's what it looks like:
(Q mile/hour) x (1,760 yards/mile) x (hour/3,600 seconds)
Now multiply the fractions and simplify the product,
and you get 22/45 Q or about 0.489 Q yards/second
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44 yards in one second is the same as 90 miles in an hour.
There are 1760 yards in one mile. Therefore, 65 miles per hour is equal to 65 x 1760 = 114400 yards per hour. There are 3600 seconds in one hour. Therefore, 114400 yards per hour is equal to 114400/3600 = 31.7 recurring (that is, 31.7777...) yards per second.
Miles per hour x 1.467 = feet per second.
There are 1760 yards in one mile. Therefore, 40 miles per hour is equal to 40 x 1760 = 70400 yards per hour. There are 3600 seconds in one hour. Therefore, 70400 yards per hour is equal to 70400/3600 = 19.5 recurring (that is, 19.5555..) yards per second.
First, convert the hours to seconds:10 miles/hour x 1 hour/3600 seconds = .002777 miles/secondNext, convert the miles to feet:.002777 miles/second x 5280 feet/mile = 14.67 feet/second