Roller coasters can reach speeds of up to 79 mph (127 km/h). The fastest roller coaster in the world is Formula Rossa at Ferrari World in Abu Dhabi, which has a top speed of 150 mph (241 km/h).
Force
Roller coasters can exert forces of up to 4 Gs on riders. This means that riders experience four times their own body weight in force. The most intense roller coaster in the world is Kingda Ka at Six Flags Great Adventure in Jackson, New Jersey, which has a maximum acceleration of 4.5 Gs.
Safety
Roller coasters are very safe. In fact, they are one of the safest forms of amusement park rides. The safety record of roller coasters is due to a number of factors, including strict safety regulations, regular inspections, and well-trained ride operators.
Fun!
Roller coasters are a lot of fun! They provide riders with a unique and thrilling experience that can't be found on any other type of ride.