So if you multiply torque (in pound-feet) by engine speed (in RPM) and divide the product by 5,252, RPM is converted to radians per second and you can get from torque to horsepower -- from pound-feet to foot-pounds per second..
Did it explode? Nope! You can still see it flying. Then what was that sound? It was a sonic boom. A sonic boom is a loud sound kind of like an explosion. It's caused by shock waves created by any object that travels through the air faster than the speed of sound. Sonic booms create huge amounts of sound energy. When an object moves through the air, it makes pressure waves in front of and behind it.
What causes thunder. when lightning happens it raises the temperature around it to 5x the suns heat.This violent change of temperature causes makes sound causes the oxygen burn up.The air then rushes to fill the gap that had no oxygen. With this sudden movement the sound is created.This is what causes Thunder to occur.