Heya!!
For calculate aceleration, lets applicate second law of Newton:

<u>Δ Being Δ</u>
F = Force = 78,3 N
m = Mass = 24,5 kg
a = Aceleration = ?
⇒ Let's replace according the formula and clear "a":

⇒ Resolving

Result:
The aceleration is <u>3,19 meters per second squared (m/s²)</u>
Good Luck!!
It is a battery (the long and short lines represent 2 cells)
Yo no me voy a ir a la cama a
About a mil sience 2014-2015
Here you go mate. Hope it helps u. Pls follow me in reddit lol username: RobloxNoob2006