It's Thrust SSC, the holder of the world land speed record of 763 mph
rocket raptor holds the world speed record
The World Water Speed record was set by Ken Warby (average 317.60 mph) in a jet-powered hydroplane, the "Spirit of Australia."
18000 miles per hour by the space shuttle
The current record for water vehicle speed is held by the Spirit of Australia, a wooden speed boat built by Ken Wardy. The record speed is 317.596 miles per hour.
I think that the fastest free fall speed is limited by physics to 32 ft per second per second.
You might be thinking of Donald Campbell who died in 1967 trying to break the world water speed record, but it was on Coniston Water, not Loch Ness.
The worlds fastest production car, the Bugatti Veyron Super sport, has a top speed of 267 mph. The land speed world record is held by the Thrustssc, it achieved a top speed of 763.035 mph.
As both the World Land Speed Record and the World Water Speed Record are under constant challenge you question cannot be given a simple answer.
The record for the worlds largest ice sculpture is held by Yichin City, China. Many people took part in making the record.
1,002
the record speed is 50 mph or 80kph