Flying at the speed of sounds doesn't seem lime the type of thing that was possible in the 1960's, but that was when traditional rivals Britain and France collaborated to build the world's first Concorde, a jet that could traverse the Atlantic in just 3 hours, at twice the speed of sound, around about 1400 miles an hour.Flying at the speed of sounds doesn't seem lime the type of thing that was possible in the 1960's, but that was when traditional rivals Britain and France collaborated to build the world's first Concorde, a jet that could traverse the Atlantic in just 3 hours, at twice the speed of sound, around about 1400 miles an hour.