Missile's rate of change is 2 mi/ min
The rate of change in this instance is the speed that the missile is going at because rate of change is used to calculate how fast something is changing in respect to time.
Speed = Distance / Time
Distance = 20 miles
Time = 10 minutes
Rate of change:
= 20 / 10
= 2 miles per minute
The rate of change is therefore, 2 mi/ min
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