Answer:
17 m/s
Explanation:
s=d/t
s=34m/2s
34/2 = 17 m/s
Distance Covered: s = 34 m
Time in which distance covered: t = 2 s
----
Average Speed: v = Distance Covered/time taken = s/t
v = 34/2
v = 17 m/s
I hope this helps explain things a little better.