A sonic boom occurs when an object travels above the speed of sound.
What does the term sonic boom mean?
A sonic boom occurs when an object moves faster than the speed of sound. As it moves through the air, it creates shock waves that can cause a loud, booming sound. It is mostly emitted by aircraft that travel at supersonic speeds
A sonic boom occurs when an object travels through the air faster than the speed of sound and creates shock waves.
Hence, the correct option is D. When an object travels above the speed of sound.
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