To help you with this, I need a little more context. "VID 20221009 WA0002.mp4" is a standard filename for a video received via on October 9, 2022.
If you find the message, you can tap the video to redownload it (provided it hasn't been deleted from WhatsApp's servers or your cloud backup). 3. Check Cloud Backups Download VID 20221009 WA0002 mp4
Open your File Manager → Internal Storage → Android → media → com.whatsapp → WhatsApp → Media → WhatsApp Video. To help you with this, I need a little more context