ItemPhysics Mod
ItemPhysics allows you to set a custom, better physics to the items you drop. By accessing its settings, you will be able to change the rotation speed of the items.

In this guide, we will see the following:

How to enable
In order to enable this mod, you will need to go to the mods menu, then search for "ItemPhysics" and toggle the switcher until its background becomes light blue.

https://cdn.discordapp.com/attachments/192425556338278400/658833203959824385/Screenshot_3.png

How to use
If you want to test it, just drop an item in-game and you will see a more realistic rotation.