Answer:
Squirrels are fast creatures. In five seconds a squirrel can travel 2 cm. Squirrels tend to observe their surroundings, therefore the next three seconds they stay still. Then when they're ready to move again they will travel about 2 more cm in two seconds. In conclusion a squirrel will have traveled 4 cm in the span of 10 seconds.
~Just an example. It can be worded different.
