 The 750 @-@ metre @-@ long ( 2 @,@ 460 ft ) Nemesis Inferno stands 29 metres ( 95 ft ) tall . With a top speed of 77 kilometres per hour ( 48 mph ) , the ride features four inversions including a vertical loop , a zero @-@ g roll , and a set of interlocking corkscrews . Riders of Nemesis Inferno experience up to 4 @.@ 5 times the force of gravity on the near @-@ two @-@ minute ride . The ride is reported to have cost £ 8 million . 
