2000?
You probably could, but you should work on blitz first. Speed is an integral aspect of rapid at higher elo and it would look pretty suspicious if you were 2000 rapid and 900 blitz.
you could but it would take an insane amount of work. and most of us just simply don't want to work for it.
oh wait I thought you wanted to reach it in a year. nvm. yeah are we talking about chess.com or fide?