[1/5/1/1/4/1/3] The camera direction is for the inverse direction of the black hole (2 of 2).
Different from the ``1 of 2'' movie, there are four rockets circumferentially moving around the black hole and one clock resting in the space. The camera slowly falls into the black hole with retrofire.We suppose that the size a of the gravitational radius equals to the size of the earth's radius. The position of the clock is at r = 5 a, and the radial position and the cycle period of the four rockets are r = 4.7 a and 8 second, respectively. Thus, non-relativistically speaking, one rocket is moving through in front of the camera for every 2 seconds but relativistically the cycle period seems shorter when the camera falls closer to the black hole because the time proceeds slower.
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