We have that the the instantaneous speed is given as
[tex]v=15m/s[/tex]
From the Question we are told that
Calculate the instantaneous speed
Accelerates at
[tex]a=10 m/s2 \\\\t= 1.5 seconds.[/tex]
Generally the equation for the instantaneous speed is mathematically given as
[tex]v=\frac{d}{t}[/tex]
Acceleration
[tex]a=\frac{v}{t}[/tex]
Therefore
[tex]v=10*1.5\\[/tex]
[tex]v=15m/s[/tex]
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