Answer :
Answer:
I don't know what the unit of measurement is, so I'll say the distance is 21. As for the average speed, its average speed is 8 per second.
Step-by-step explanation:
Answer:
I don't know what the unit of measurement is, so I'll say the distance is 21. As for the average speed, its average speed is 8 per second.
Step-by-step explanation: