Kingda Ka at Six Flags Great Adventure is currently the “world’s tallest and fastest steel roller coaster”. Costing a hefty $25-million to build, it goes from 0-128mph in just 3.5-seconds (1.67g’s) — powered by a 20800 horsepower hydraulic launch motor — and the steel track peaks at a daunting 456-feet. Click here for more pictures. Video after the break.

[sources 1 | 2]

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A technology, gadget and video game enthusiast that loves covering the latest industry news. Favorite trade show? Mobile World Congress in Barcelona.