How does shakespeare manage to accomplish the escalate of suspense in hamlet act 2

He had two seperate plot developments happen at the same time. He also forshadowed and Hamlet going mad a little. Even though in this scene it was suppose to be faked. The scenes would be what Gertrude, which includes the discussion with the ambassadors; Hamlet’s conversation with Polonius, in which we see Hamlet consciously feigning madness for the first time; Hamlet’s reunion with Rosencrantz and Guildenstern; and the scene with the players, followed by Hamlet’s concluding speech on the them. These separate plot developments take place in the same location and occur in rapid succession. This causes suspense to build for it leaves us wandering what can happen next.
-
https://answers.yahoo.com/question/index?qid=20110216211437AApVcq1