Suppose you increase your walking speed from 4 m/s to 12 m/s in a period of 1 s. what is your acceleration?

Initial speed = 4 m/s
Final speed = 12 m/s

Acceleration = (final speed - initial speed) / (time for the change)

= (8 m/s) / (1 s)

=  8 m/s²

The best answer is (a) which is universal law is in effect at all times. it is constantly at play in everything we do and governs our lives. it is also important to note that universal law applies to not only everything on earth, but everything in the universe as well, which is another reason why it is in effect at all times.