Refraction as in a pencil going into water
<span>The speed of sound needs to be given, in the proper form. This will allow for the proper conversion (namely, a multiplication by the Mach rate) to find the actual speed that the aircraft is traveling, compared to how fast sound travels.</span>
Roughly 13.8 billion years old according to science
B. Hand-eye Coordination because it can be used in multiple activities
