The speed of the truck in feet per second will be 105.6 ft per second.
To convert any unit into another is called a unit conversion.
In order to convert units, we need to care about their dimensions their dimension should not be changed.
For example conversion of a kilometer to a meter is to multiply by 1000 but meter and kilometer both unit is for distance only.
Another example could be kilo gram to gram.
1 mile = 5280 feet
And
1 hour = 60 minutes
1 hour = 60 × 60 seconds = 3600 seconds
Now
Given the speed of the truck is
⇒ 72 miles/hour
⇒ 72 × 1 mile/1 hour
⇒ 72 × 5280 feet/3600 seconds
⇒ 105.6 feets/second
Hence "The speed of the truck in feet per second will be 105.6 ft per second".
To learn more about unit conversion,
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