Space curvilinear motion

Please view the video below:

https://www.google.com/search?q=space+curvilinear+motion+video&sca_esv=40a5306b60f26a7a&source=hp&ei=GJSwZu-zCuKEhbIPpsPqaA&iflsig=AL9hbdgAAAAAZrCiKCIO9PO62hLc1k1mFwvr9Lp7p-hj&ved=0ahUKEwjvn_f9vd2HAxViQkEAHaahGg0Q4dUDCA4&uact=5&oq=space+curvilinear+motion+video&gs_lp=Egdnd3Mtd2l6Ih5zcGFjZSBjdXJ2aWxpbmVhciBtb3Rpb24gdmlkZW8yBRAhGKABMgUQIRigAUjFaVAAWIxicAN4AJABAZgBlQSgAbcnqgEKMC4yMC40LjUtMbgBA8gBAPgBAZgCG6AC_iPCAgQQABgDwgILEAAYgAQYsQMYgwHCAhEQLhiABBixAxjRAxiDARjHAcICDhAAGIAEGLEDGIMBGIoFwgIIEC4YgAQYsQPCAgUQABiABMICBRAuGIAEwgIIEC4YgAQY1ALCAgcQABiABBgKwgIIEAAYFhgKGB7CAgYQABgWGB7CAgsQABiABBiGAxiKBcICCBAAGIAEGKIEwgIFECEYnwXCAgcQIRigARgKmAMAkgcGMy4yMC40oAf1jgE&sclient=gws-wiz#fpstate=ive&vld=cid:1eb9e38d,vid:ogS-fXPWios,st:0