Imagine a string being laid on the track, then imagine walls going up around the edge of the track, now pull the string end to end so that it pushes tightly against the walls, that's your racing line here. This test is more about control than about speed. You can only go so fast without losing control as you're nearly constantly turning. Think about the license tests A-4 and A-5. This is a succession of smaller circles. Everything you know about apex still applies though. Watch the demo and remember the speed the car is going as it goes around each circle. You can match it or you can try to go a little faster if you're feeling lucky. Most important thing about this test is patience. The second you lose your patience, it is over.
Attached is a run I did just now of IA-8. It was done in automatic. I was only able to get a silver in it. Good luck.
kideng