"The way things are going ..." (4)
(Another definition for at this rate that I've seen is " if the situation stays as it is".)
'the way things are going' is the definition.
(as in a current trend)
This is all the clue.
(Other definitions for trend that I've seen before include "Current fashion" , "Mode" , "swing" , "General tendency" , "General direction of change" .)
(Other definitions for asis that I've seen before include "Unchanged" , "Unaltered" .)