Thanks for the replies guys.
What I meant by memorising is that I’m worried I can only view these clips so many times before I’m familiar with them, meaning I’ll already know what the hazard will be.
I’ve just had another go and seem to be doing well using the process above. Sometimes the potential hazard doesn’t further develop (e.g. pedestrian doesn’t step out) but I’ve yet to be disqualified for over-clicking.
Thanks again.