During the first seconds after takeoff, a rocket traveled 208 kilometers in 50 minutes at a constant rate. Suppose a penny is dropped from a skyscraper and could travel 153 kilometers in
1
2
hour at a constant rate. Which of these objects has a faster unit rate per hour? How much faster?



The , 1 of 2.
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has a faster unit rate per hour. It travels about , 2 of 2.
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kilometers per hour faster.