How is the position vs. time graph with the cart moving towards the sensor with decreasing speed different than the position vs. time graph with the cart moving away from the sensor at increasing speed? how are the graphs similar?

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane