Faster OR Slower both will be an aberration from the normal uniform spin and one day this very planet will have to die.
But brother
"Tidal locking" can play a part in slowing down earth's rotational speed on its axis
the moon is already synchronized with the earth . in the same way Tidal acceleration (gravitational gradient) may alter the axial speed of earth .( slow it down) and one day will be of 28 earth days approx.


mean solar day =86400 seconds
Atomic Time (SI caesium clocks) and Ephemeris Time (astronomically measured) are changing which is a deviation from the standard .

hence the mean solar day is increasing thats why we use leap seconds to adjust the clocks. (UTC)

its a gradual and slow process. dont worry the slowdown of the Earth's rotational speed is not occurring fast enough .


and secondly, we cannot stop or change this . what we can do is to watch and observe not alter His decisions .
beshak tamam ilm Allah kay pass hai aur us kay raz kisai ko pata nahin chal saktay laikin sochnay par pabandi nai hai meray bhai.