We are leaving Venice for a short trip and then returning to Venice from Ravenna. The trip goes from Ravenna to Bologna on a Regional train, and then a Frecciargento from Bologna to Venice. I already have tickets for the 15:10 Le Frecce train, bought online at a good discount. Trenitalia shows a 16-minute connection with the Regional train which departs Ravenna at 13:33 and arrives at Bologna at 14:54. That seems risky to me, given that the train from Ravenna has lots of stops and could easily run late. Should we take an earlier train from Ravenna and plan to have lunch in Bologna? Is the station near the city center and cafes?