What's the adjective used for the planes flying faster than the speed of sound?

What’s the adjective used for the planes flying faster than the speed of sound?

January 9, 2015 No Comments yet Posted in: Trivia crack answers

Question: What’s the adjective used for the planes flying faster than the speed of sound?

Options:

Ultrasonic

Multisonic

Supersonic

Oversonic

Correct answer:

Supersonic