transmission whine

Hey everyone! So I just got a 2010 Mazdaspeed 3 and I am new to mazda and I've been noticing a strange "shwoo woo woo" sound when I have the car in 1st and reverse with the clutch in when coming to a stop. Not sure what could be the cause or if its something I need to look into. The car is...

Took my 2010 ms3 w/ 60k miles to the dealer due to a clicking sound when the car moves from a stop, and transmission whine. They drained the transmission fluid and are telling me I need a new trans since they found a fair amount of metal shavings. I did some research and it sounds like its...