Before I purchase these "Super Economy" tickets ... Can I make it?

Hi! So, I'll be in Rome this summer. I'm taking a day trip to Florence via the train. I need to be at the Galleria dell'Accademia between 8:15-8:30am. My accommodation in Rome is a 2 minute walk to the Colli Albani metro station. The earliest train to Termini station (from Colli Albani station) arrives at 5:54am. The Frecciarossa train to Florence leaves at 6:00am. Assuming everything goes exactly as scheduled (ha...ha...), in addition to being a fast walker, could I make that 6am train? How far from the Metro A line platform are the Frecciarossa platforms?

Thank you in advance!