The train, the car, the plane, the computer. All new, all faster, all better. The human body was designed for movement not speed. Our answer to speed is through machines. Our bodies consequently don't move and people have strokes.
Physical exercise is an essential for life.
Speed and movement is all around - mechanized and humanized. There needs to be a better balance, the machine appears to be taking over. Life is dynamic, the city is dynamic different layers of movement and speed create motion within the fabric of life. No one really knows unless they look for themselves. Is the unknown scary or the stories you've been told.