Six Flags retired the coaster, which opened in 2005, to make room for new rides, the company said late last year. Kingda Ka, both the tallest and fastest coaster in the world when

Kingda Ka‘s 20-year run at Six Flags Great Adventure in Jackson ended swiftly this morning when the roller coaster was imploded. Video shows the 456-foot coaster tumbling to the ground in a little more than five seconds.