Joseph Whitaker School pupils filmed the attempt
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Joseph Whitaker School film rocket-powered car record

A rocket-powered model car built by schoolchildren has beaten a world speed record by about 250mph (400km/h), it is claimed.

Pupils at The Joseph Whitaker School in Rainworth, Nottinghamshire, say they broke the record at Rolls-Royce in Hucknall, on Saturday.

They recorded an average speed of 533.1mph (857.9km/h) and are now waiting for verification by Guinness.