A person driving a BMW SUV hits and kills a dog on a local r…

A person driving a BMW SUV hits and kills a dog on a local road. Briefly describe the Buddhist teaching about karma, and explain what kind of karmic retribution the driver will receive for that specific action, from a Buddhist perspective. Also, clarify what kind of factors can influence the nature and severity of the karmic retribution. [The length of the answer should be equivalent of two short paragraphs, or one long paragraphs; a bit longer answer is also fine].