I actually think both slow and fast tactics can work against FCP - but it depends on he structure of your team.
If your players have good stamina and/or good backups, fast paced tactics can work well against FCP. That's particularly true if you also have bad offensive flow - you definitely don't want to pass the rock too much in these cases.
If your players don't have that much stamina, playing it slow and trying to reduce the number of possessions is crucial. However, in that case, great ball movement is absolutely necessary or you'll lose the ball too often.