Focal length of lens -15mm

Shutter Speed -1/1600

What is the effect of shooting at this shutter speed?Fast shutter speed captured the car so it wasnt blurry.

Aperture-2.8-Fisheye

What is the effect (Depth of field) of shooting at this aperture? a big aperture was used for this shot because you can see the car's way in the background but its focused on the one car. You can see the depth of the street and the lines.