Inside spherically symmetric black holes or how a uniformly accelerated particle may slow down Andrzej Radosz, Pawel Gusin, Andy T. Augousti and Filip Formalik Eur. Phys. J. C, 79 10 (2019) 876 Published online: 24 October 2019 DOI: 10.1140/epjc/s10052-019-7372-5