S= 343m/s
F=256Hz
WL= 343ms/256-1
WL=V/F
= 1.339844m
I think it’s C. Stroke if not then D
Answer:
A block device is a computer data storage device that supports reading and (optionally) writing data in fixed-size blocks, sectors, or clusters. These blocks are generally 512 bytes or a multiple thereof in size
I'd say B.) Increasing the voltage of the battery.