In my ATPL books i've learned that for a variable pitch propeller, it is better to have a fine pitch for take-off (higher RPM) and a coarse pitch for cruise (lower RPM).

In this question taken from the ATPL question bank it states that a propeller will move towards the coarse pitch on take off.

Does anybody understand why the correct answer for this question is coarse pitch. Is this implying that we initially start our take-off with a fine pitch but slowly change towards a coarse pitch during the climb?

[![Propeller question](https://i.stack.imgur.com/biAt1.png)](https://i.stack.imgur.com/biAt1.png)