REQUIRES UE4SS by Narknon - https://www.nexusmods.com/hogwartslegacy/mods/942

Drag into 'Hogwarts Legacy\Phoenix\Binaries\Win64\Mods'


If the speed of Highwing doesn't change, dismount and remount. 

To GAIN momentum, simply dive down. If you ascend afterwards, most of your momentum will carry and take you UP really fast.