Today I built THE FASTEST Jetpack in Roblox Build a Jetpack… and it gets CRAZY. I started with a noob jetpack and upgraded all the way to the max speed, unlocking rare parts, boosters, and insane fuel upgrades. Watch till the end to see how fast my jetpack becomes and how far I can fly! 🧠 Keywords: Roblox jetpack, Roblox build a jetpack, Roblox challenge, Roblox upgrades, Roblox speed challenge, Roblox funny moments, Roblox gaming, Roblox adventure, Roblox simulator, noob to pro Roblox, building the fastest jetpack, Roblox flying challenge #roblox #jetpack #robloxchallenge