> your sensors clearly tell you that you're below ground They weren't telling that. As far as I understood, the sensors were fully right, the software just has

> your sensors clearly tell you that you're below ground They weren't telling that. As far as I understood, the sensors were fully right, the software just hasn't expected the rotation to last "so long" -- the whole second, so it calculated the result wrong ("negative height") by incorrectly processing these multiple (in time) for their model unexpected inputs.