Kingda Ka Is the Tallest Rollercoaster in the World: Hits 128 MPH in 3.5 Seconds
26 Jan 2022, 11:00 UTC · By: Cristian Curmei / This rollercoaster uses a launch system to reach 128 mph in 3.5 seconds, forcing 1.67 g on thrill seekers. Another ride is also built into its frame, Zumanjaro