judging by the size of the troll, the distance between you and escape, and the position of the sun, you judge that you can run around it quick enough to escape with little to no physical harm endured. you grab a stone to throw into the undergrowth to distract the mighty beast, and make a run for it. however, the troll produces a wedding bouquet twice your size and launches it towards you with a fantastic throw, crushing you to death instantly.