Abstract
It is argued that the phenomenon according to which an increase of the angular velocity causes more attraction than centrifugal repulsion, below the radius of the (spatially) circular photon orbit in the Schwarzschild space-time, has to be attributed to the strength of the gravitational field rather than to a centrifugal force becoming attractive. This is particularly evident in the Reissner–Nordström and in the internal Schwarzschild space-times.

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