[tex]\\ \ast\sf\hookrightarrow Force=Mass\times Acceleration[/tex]
[tex]\\ \ast\sf\hookrightarrow Acceleration=\dfrac{Force}{Mass}[/tex]
[tex]\\ \ast\sf\hookrightarrow Acceleration=\dfrac{60}{4}[/tex]
[tex]\\ \ast\sf\hookrightarrow Acceleration=15m/s^2[/tex]