A particle is traveling along the parabolic path y = 0.25x2. If x = (2t2) m, where t is in seconds, determine the magnitude of the particle’s velocity and acceleration when t = 2 s.

Component of the particle position is
Given 
Velocity of the particle along the
axis is expressed as
Accordingly, we have from
So, we have
Velocity of the particle along the
axis is expressed as
Given 
By differentiating the above the relation, we have
By substituting
and the value of
into the above relation, we have
When
:
Magnitude of the particle velocity at
is expressed as
By substituting the values of the parameters into the above relation, we have
Magnitude of the particle velocity at
is 
Acceleration of the particle along the
axis is expressed as
Accordingly, we have from
Acceleration of the particle along the
axis is expressed as
Accordingly, we have from
When
:
Magnitude of the particle acceleration at
is expressed as
By substituting the values of the parameters into the above relation, we have
Magnitude of the particle acceleration at
is 