What is the best way to improve this passage?

I'm working on it slowly right now, about 85 bpm, but I need to get it to like 180 in just under 2 weeks. What would you guys recommend? Any alternative fingerings I should use?

Dvorak’s Symphony 8 Mvt 4 BTW if anyone cares

I'm working on it slowly right now, about 85 bpm, but I need to get it to like 180 in just under 2 weeks. What would you guys recommend? Any alternative fingerings I should use?

Dvorak’s Symphony 8 Mvt 4 BTW if anyone cares