World's Tallest, Fastest coaster in the world

A imagination park that contains my first attempt to build the tallest and fastest coaster that goes faster and taller than the origional hydrualic launch coasters. This is my king of the coaster for my possible next park that I will make. The results are listed below.

Top speed (Km): 252km
Max hight (M): 404m
Minuium hight (M): 17m
Total length of track (M): 4086m
Inversions: 4

I hope that you enjoy my coaster that I made. Please give me some commets and thump ups to let me know how I did. Enjoy!