In Ancient Greek, one of the final two or three syllables of a word carries an accent. Each syllable may contain one or two vocalic morae, but only one can be accented; accented morae are pronounced at a higher pitch.
US military to launch fastest-ever plane. By the time you finish reading this sentence, the Falcon HTV-2, the fastest plane ever built, could have flown 18 miles. It would get from London to Sydney in less than an hour, while withstanding temperatures of almost 2,000C, hotter than the melting point of steel.
The Top Ten fastest planes in the World Before we start â here is a nice video showing you the 10 fastest planes in the world: There are very many aircraft that has exceeded the speed of mach 2.0. Some of them are research aircraft, some are military and some are simply flying for reconnaissance purposes.