Flash: Vertical Velocity
Flash: Vertical Velocity at Six Flags Great America. Height, speed, manufacturer, and park info on Rideversum.
Park: Six Flags Great America
- Height: 56.4 m
- Speed: 112.7 km/h
- Length: 192 m
- Manufacturer: Intamin
- Model: Impulse Coaster
- Opened: 2001
- Status: operating