With aggressive players behind you, I would slow play. Depending on
there raise, I would come over the top with a large raise to take the pot.
You may be a new member, but you do have poker abilities. Welcome aboard.
First of all considering your a beginner it might be a good idea to not stay at a table when you're OOP vs aggro players because that's a tough spot to be in even as an experienced player. That being said if you are in that situation and choose to stay be ready to get you stack in with AK.