When I've been in Waymo, they've never drove so fast that they don't have time to brake if the car in front of them does. And they can multitask - while looking

When I've been in Waymo, they've never drove so fast that they don't have time to brake if the car in front of them does. And they can multitask - while looking for oncoming traffic to the left they can still watch the car in front of them