physicsandchemistryrevision: “twocubes: “It has come to my attention that the previous version of this diagram contained an error. I neglected to consider that the constraint force T needed to provide.
The same (blue) area is swept out in a fixed time period. The green arrow is velocity. The purple arrow directed towards the Sun is the acceleration. The other two purple arrows are acceleration components parallel and perpendicular to the velocity.
NASA astronaut Scott Kelly is seen during a spacewalk outside the International Space Station on Nov. He and crewmate Tim Kopra will likely perform a surprise spacewalk on Monday, Dec. to repair the station's stuck Mobile Transporter.