Much to Ibara's shock and dismay, Senku devised a plan and managed to escape petrification. Now the two enter into a head-to-head battle for control of the Medusa device.
With acceleration due to gravity 
9.8 meters per second squared...
بالتسارع الناتج عن الجاذبية الذي
...يعادل 9.8 مترًا في الثانية المربعة
Aceleración de gravedad de 9.8.
Aceleración de gravedad de 9,8.
L’accélération de la pesanteur
est de 9,8 m/s².
e un'accelerazione gravitazionale a 9,8...
Com uma aceleração da 
gravidade de 9,8 m/s²...
Ускорение свободного падения 9,8 м/с².