Download https://autohotkey.com/

Follow the basic in-program tutorial to make a new script.

Delete whatever is in the initial notepad and copy paste this script note, change the (hashtag) to a #:

WheelUp:: Send {e} return WheelDown:: Send {Space} return (Hashtag)MaxHotkeysPerInterval 20000

Run the script.

You can now scroll through text extremely fast using your mouse's scroll wheel.