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In all these movies, the frame rate is 15 frames per second (constant).

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VARIABLE RATE: ALIASING & FOLDING	TEST CONDITION
	INCREASING STEADILY from 0.1 rev/sec to 16.6 rev/sec
	HOVERING NEAR 15 revs/sec; sometimes slower, sometimes faster than 15 rev/sec
	INCREASING STEADILY from 0.1 rev/sec to 11.1 rev/sec
	HOVERING NEAR 5 revs/sec; sometimes slower, sometimes faster than 5 rev/sec