about 87 miles per hour
The voyage roller coasters top speed is 67.4mph
The ringracer, worlds fastest roller coaster, goes up to 135 mph.
A website I always go to for my info on roller coasters is ultimaterollercoaster.com
Roller coasters are much safer than skydiving. Roller coasters breakdown very rarely and deaths hardly ever happens. When you go skydiving so much can go wrong. You may hit a tree, not deploy your parachute fast enough, or have a crash landing.
It depends on how they are designed.
It is the one in china
Roller Coasters go fast because they use gravity to their advantage. Because the cars weigh a lot, they fall at very high speeds from high in the air. Some of the new roller coasters being built also are propelled forward using the force created by high powered magnets.
There is no unlock code for Roller Coasters in Tycoon 3. To unlock the roller coasters you must go into career mode and complete the scenarios.
Gravity
if you go to aceonline.org and go to the census section then you will be able to find out. There are 2,695 total roller coasters in the world.
roller coasters!
A chain.