If an object travels at four feet per second, how many feet does it travel in one hour?  Choose the correct choice:
A) 30
B) 300
C) 720
D) 14400
E) 18000
Speed = 4 feet per second.   1 Hour= 60X60 Seconds = 3600 Seconds.   Total no of feet traveled in 1 hour = 3600X4 = 1800X10 = 14400   Answer 14400
<result>D</result>
If an object travels at four feet per second, how many feet does it travel in one hour?