Constant linear velocity too, with Red Book Compact Disc standard, Philips specified 1.2 to 1.4m/sec (yes, metres per sec) hence the high 500rpm at start of disc gradually slowing to circa 200 near end ('circa', as the end point varies depending upon length of programme).
According to Wikipedia, the CD standard allows up to 79.57 minutes of digital audio on one disc, or 99 tracks maximum (whichever comes first).
A good test in order to determine whether or not a given player is exhibiting excessive spin motor noise is to play the last track first with the volume turned fully down, should be pretty quiet once play begins.