Question

Describe a situation when you would need to adjust the rate you are reading.

Answer 1

Possibly in a test you might need to read at a faster rate if you are running out of time. 

Answer 2

You could possibly need to truly need to comprehend every single sentence in the book, which would cause you to read at a slower rate.

Another reason would be if you are challenging yourself to read a certain amount of books within a time table, then you might have to increase your reading rate.