It could be if it is during the opponent assault phase. In that case, if you get away, you get to rapid fire on your next turn. If you get caught in the sweeping advance, you just continue to fight anyway. So, if you try it, and you don't get away, it won't hurt that squad anyway. You might not even want to rapid fire. A good idea might be to shoot with the bolt pistol and re-assault. That way you kill a few shooting and kill a few in CC AND deny them furious charge on the next turn if either you or they are alive.
However, in your assault phase, it isn't so good because during the opponent turn, you get shot and then hit by X number of orks with furious charge.
So, break down:
Your turn: stick it out.
Their turn: run.