Police are hunting a brute who, they say, shoved a man onto the subway tracks in Brooklyn earlier this month. The victim, 33, told police he was arguing with the suspect at the Atlantic Ave. – Barclays Center station on Dec. 7 when the man pushed him around 11:38 a.m., cops said. Surveillance images released Friday show the suspect who allegedly hurled the straphanger onto the southbound D and N train tracks. The victim survived the assault with only minor injuries while the suspect fled the station on foot. Anyone with information that could lead police to the suspect is asked to call the NYPD Crime Stoppers hotline at 800-577-TIPS.