What's the fastest roller coaster on earth?

today i went to six flags and got on the superman and i was wondering whats the fastest roller coaster.

So in a few weeks a group of my friends and I are going to two amusement parks, which ones we are not sure. Since every one loves roller coasters we are going to find the two best roller coasters in the country and ride them. When you answer 1. Name...

Which is the tallest roller coaster ride in the whole world?? also What about the fastest roller coaster rides??

hopefully u live near sandusky, OH and/or been 2 cedar point bcuz i want to know what your favorite roller coaster from there is, but if you dont then name off any roller coaster you want

what roller coaster is the best as in Fastest, scariest funest and most exciting in America

I tried to look it up in stores comming soon but there is no file found. Roller Coaster Tycoon 3D shows up comming soon tho. So whats the real truth is it just a scam.

whats the scariest roller coaster you have ever ridden in your life

im bored so im gonna ask, what is your favorite roller coaster? mine is the new texas giant at six flags over texas, so whats yours?

or whats the weirdest roller coaster you've been on or seen or something? can you describe it please