The car traveled part of the route at an average speed of 60 km / h. then it traveled at 130 km / h, and the last section traveled at 80 km / h. What was the average speed if the entire 200 km route was completed in 2.5 hours? save calculations

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?