1 Free Certificate of Origin and Bill of Sale (Many dealer will charge $40-$50 for them to prepare and send you the Certificate of Origin and Bill of Sale, which required to register your vehicle.
What are speeds of sound and of light . We are doing research on lightning and thunder . The speed of sound through air is about 340 meters per second. (The speed of sound in water is about 4 times faster than this). The speed of light in air is about 300 million meters per second.
The results conform to Einstein's theory of relativity, so don't expect this research to lead to sound-propelled spaceships that fly faster than light. Still, the work could help spur research that boosts the speed of electrical and other signals higher than before.