#1 how fast does an object need to travel to stay in orbit for one second? #2 how fast does an object need to travel to stay in orbit for two seconds? #3 how fast does an object need to travel to stay in orbit for three seconds? #4 you may have noticed that the object needs to keep going faster and faster to stay in orbit. what is the average acceleration needed for the object to stay in orbit from 1 to 3 seconds?