4). Convert:

 

a). 36 inches per second to feet per second _____________

 

 

b). 72 inches per second to feet per second _____________

 

 

5). I rode my bicycle for 2.5 hours at a speed of 20 miles per hour. How far did I go?

 

 

____________

 

6). A satellite takes 90 minutes to complete an orbit of the earth. If the circumference of the earth is 26000 miles at the satellite's altitude, what is the satellite's speed?

 

 

____________

 

7). The peregrine falcon is the fastest bird in the world. It can fly at 220 miles/hour. At this rate, how much distance would the falcon cover in 36 seconds?

 

 

____________