Yes, but the plan is to do 3 in a night. So that should make up for capacity issues with the show.
I am not sure what you are getting at with the show building size. Kong is slow moving with stops, but is 6 minutes long. I imagine this is going to be more around the 4 minute mark, which is a more typical ride length. Small World is also long (painstaking long) and has no stops in it, this will have stops in it. Also, you have ride, but does that include queue, because the two other ones have queues inside those buildings which also have to be factored into the size. A couple people pointed out this will be the shortest boat ride track, but that is offset with the fact that this is the only boat ride in Orlando that will be able to stop and have show "scenes".