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For which of the following is the velocity constant (speed/direction does not change)?

Question 5 options:

A cat escaping a dog by running in a straight line and then up a tree at a constant speed of 30 mph


A cat escaping a dog by running in a straight line away from the dog and slowing down when danger is gone.


A cat escaping a dog by running at a constant speed around and around the house until the dog gets bored.


A cat ignoring the dog by sitting perfectly still.