Running low on Ammo

Oh yeah, for sure Apex is much faster than PUBG. But, that game is isn't trying to be a Call of Duty Blackout clone with heroes from Overwatch. PUBG is one of the slowest shooters out there, to get any slower you'll have to check out military simulators

The zip lines do give you more access to to move around, but your enemies can use them too, you're making noise, and traveling in a slow, exposed, and predictable manner in the open. It's faster travel, but not faster agility. Same type of movement capability as the balloons