accelerate a non-moving minecart away from a solid opaque block the powered rail is facing Reviewed-on: MineClone2/MineClone2#4097 Reviewed-by: the-real-herowl <the-real-herowl@noreply.git.minetest.land> Co-authored-by: nixnoxus <nixnoxus@web.de> Co-committed-by: nixnoxus <nixnoxus@web.de>