Answer:
The claim is not realistic
Step-by-step explanation:
We can solve the problem by using the following suvat equation:

where
s is the displacement
v is the final velocity
t is the time
a is the acceleration
Here we want to find the maximum height reached by Jordan, if he was able to stay in the air for 2 seconds. In that case, the time needed to reach the maximum height is
t = 1 s (half of the total time)
At the maximum height, moreover, the velocity is zero:
v = 0
The acceleration is the acceleration of gravity, so
(assuming upward as positive direction)
Therefore the equation becomes

And solving for t = 1.0 s, we find the maximum height:

which is much greater than Jordan's maximum height (1 meter), so the claim is not realistic.