A couple of things I always feel is so awesome about watching the footage of a SaturnV launch, and they definitely caught them both in this projection piece:
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At the ignition and throttle up of the rocket motors, there is first a billow of flames around the bottom of the rocket, and as the thrust builds that ball of flame is sucked down into the exhaust duct under the launch pad, and you realize the power of that thrust is dragging all the air in the vicinity down and out with it!
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Second is the stunning contrast between the slowly rising SaturnV and the velocity of the exhaust coming out of the engine bells, and you realize this immense rocket, 35 stories tall, is standing up on a column of gas, no more substantial than the air you breath, but think of that gas as being piled up underneath the rocket as fast as a billion little hamsters pushing gas into those engine bells could push it!
high speed cameras from SaturnV launch: Apollo 11 Saturn V Launch Camera E-8 - YouTube
