You're referring to the infamous "bullet speed hack" in Battlefield 1!
The "bullet speed hack" incident is often cited as an example of an interesting and unusual glitch in a game. While it may not have been a formally acknowledged issue by the game's developers, it has become a memorable anecdote within the gaming community. Battlefield 1 Bullet Speed Hack
However, in 2017, a player named 'ThatGuy' on Reddit shared a detailed account of how to replicate the glitch, which sparked a wave of interest and experimentation within the community. Players started to analyze the game's mechanics, trying to understand how this exploit worked. You're referring to the infamous "bullet speed hack"
For those who might not know, the "bullet speed hack" was a peculiar exploit discovered by players in Battlefield 1, a first-person shooter game developed by DICE and published by Electronic Arts (EA). The glitch allowed players to manipulate the game's physics engine, effectively creating a situation where bullets could travel at an absurdly high speed, often instantly killing opponents or even hitting targets that were not even visible on screen. However, in 2017, a player named 'ThatGuy' on