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21/05/2005 The tallest roller coaster in the world opens

Kingda Ka is a steel accelerator roller coaster. Besides other things, it is the world's second fastest roller coaster, and was the second strata coaster ever built. It was built by Stakotra, a subcontractor to Intamin. The train is launched by a hydraulic launch mechanism to 128 miles per hour in 3.5 seconds.