ANSWER IN LESS THAN A MINUTE!! EASYY!

Answer:
20 miles per second (20 m/s)
Explanation:
1200/60 is 20.
1200 meters (m)
_____________
60 seconds (s)
This shows the calculation of the speed. 200 m/s is not correct because 1200 divided by 60 is 20 not 200.
Mark brainliest please and ty :)