I am just wondering: if the bomb blew up inside the dome, shouldn't most of the glass shards been blown up and out of the building instead of raining straight down?
What goes up... Well, depends on how powerful the blast was as well. If it's enough to shatter the glass but not much more, everything will still come more or less straight down.
All I am saying is that maybe Rose should have tossed it up harder so it went through the glass and blew up outside the dome, then the shards would have flown faster. :-) Oh well, it's an action comedy, and movie physics don't really have to make sense...