Answer:
Second option) 2 s
Step-by-step explanation:
m/s = meters per second, so the bullet travels 800 meters in 2 seconds
-> 1,600 meters per second / 800 meters per second = 2
So it will take 2 seconds
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather