Great but old video about frame of reference.[1] Is the comet coming towards us or are we going towards it? Does a dropped ball fall to the earth or are we goi

Great but old video about frame of reference.[1] Is the comet coming towards us or are we going towards it? Does a dropped ball fall to the earth or are we going upwards to meet it? [1] https://youtu.be/lbnDSdrriGI https://youtu.be/lbnDSdrriGI