What is the Hardest Booster Pass Cup in Mario Kart 8 Deluxe?

With the release of Wave 6 of the Booster Pass, it's about time we figured out which one of these new cups is the hardest to race through in Mario Kart 8 Deluxe.

Chapters:
Rules: 0:00:00
Golden Dash Cup: 0:01:27
Lucky Cat Cup: 0:03:23
Turnip Cup: 0:05:17
Propeller Cup: 0:06:50
Rock Cup: 0:08:52
Moon Cup: 0:10:18
Fruit Cup: 0:12:48
Boomerang Cup: 0:14:34
Feather Cup: 0:16:26
Cherry Cup: 0:18:38
Acorn Cup: 0:20:25
Spiny Cup: 0:22:21

Google Spreadsheet with the Data:
https://docs.google.com/spreadsheets/...

All the music used in this video is for entertainment purposes, and the rights go the copyright owners.
Music Used:
Coconut Mall
DK Summit
DS Peach Gardens
DS Wario Stadium
Koopa Cape (Pipe)
Maple Treeway
Ghost Replay - Wii
Rainbow Road MK7
Rainbow Road Wii
Singapore Speedway
Squeaky Clean Sprint
Sydney Sprint
Tokyo Blur
Daisy Circuit
Madrid Drive

Yes, I'm bad but hey hopefully that makes for a more enjoyable video. Why am I typing this out if anyone is going to be reading it, well if you are...you're a legend!