the rate at which someone or something is able to move or operate.
Speed is a scalar quantity that refers to "how fast an object is moving." Speed can be thought of as the rate at which an object covers distance. A fast-moving object has a high speed and covers a relatively large distance in a short amount of time.
sot=8.806sandnowapply1steqo²fmotiontofindoutvfsovf=vi+gt,vf=0+9.8×8.806,vf=86.298andifyouwanttoverifythateitherthisisansweriscorrectornotsoputthevalueoftinsecondeqofmotionandifyougotdistancesameasgiveinthequestionsoyourvalueoftisconsideredascorrectlikewises=vit+1/2gt²,s=0+1/2×9.8(8.806)²,s=4.9×77.55,s=380m(proved)I hope it would be helpfull