A/C not blowing hard. on 2007 Chevrolet Cobalt

recently got my ac serviced and changed fiter and it blows cold but not hard. i have two kids in the back with a fan on them and they still are to hot. where i leave its may and already hitting low hundreds. please help lol

Asked by for the 2007 Chevrolet Cobalt
Is it the motor not turning very fast, or blockage, or does yours have a cabin air filter.