This type of slide is very common in Japan. The bottom of it is made of rollers. Rotational inertia of the rollers prevents people from going too fast, even on a very long slide.
Camera model Canon PowerShot SX160 IS Shutter speed 1/640 Aperture f/5.6 Maximum aperture f/5.0 Exposure bias 0.00 Exposure Not defined Exposure index 0.0 Focal length 69,mm Distance 0.00 m Light source Unknown Flash Off Metering Pattern ISO sensitivity 125