ultra-realistic, cinematic photograph of a grumpy cat (grumpy cat expression) skiing at high speed through fresh powder in the mountains. The scene should convey a strong sense of motion and adrenaline, with the cat's fur detailed and wind-swept, its grumpy face focused and determined. The background features towering, snow-covered peaks under a dynamic sky with dramatic lighting. The image should be hyper-detailed, with realistic textures of the snow, the cat's fur, and the ski equipment. The overall mood is intense, fast-paced, and visually stunning, capturing the essence of a high-speed winter sports moment with a humorous twist, cinematic, dynamic, hyperdetailed