A space shuttle orbits the earth at about 9 kilometers per second. This speed is equal to how many kilometers per hour?  Choose the correct choice from the following options
A) 480	B) 2,880	C) 4,800	D) 28,800	E) 32,400
Seconds in 1 hours:   60s in 1 min   60 min in 1 hr   60*60= 
<gadget id="calculator">60*60</gadget>
<output>3_600</output>
3600 sec in 1 hr   9*3600=32,400   Answer: 32,400
<result>E</result>
A space shuttle orbits the earth at about 9 kilometers per second. This speed is equal to how many kilometers per hour?