Kingda Ka, once the tallest and fastest roller coaster in the world, is no more at Six Flags Great Adventure in New Jersey.

Kingda Ka, the world’s tallest and second-fastest roller coaster, is expected to go out with a bang — or rather several of them — on Friday morning, according to authorities. A community alert from the Ocean County Prosecutor’s Office warned the demolition at Six Flags Great Adventure will take place between 9 a.