Fourth of July celebrations in the Midwest of the USA was a real adrenaline rush this year with the opening of the Maxx Force Roller-Coaster.
It's unique because it has it's the fastest launch roller-coaster in North America.
When the coaster starts up it reach speeds of 78 miles (125 kph) per hour in under two seconds.
The Maxx Force is at the Six Flags Great America Park outside Chicago in Gurnee, Illinois.
According to the park's website the roller-coaster uses air-powered technology to shoot you out at such high speeds so quickly.