PowerShell, (削除) 124 (削除ここまで) 117 bytes

(Thanks TimmyD)

for(){(-split'^(")v v(")^ ^(")^ v(")v (>")> <(")> <("<)')[($i=0..6|random)];sleep -m((100,200)[$i-gt3]*$args[0]);cls}

Try it online! (Not that it will work in TIO...)

PowerShell, (削除) 124 (削除ここまで) 117 bytes

(Thanks TimmyD)

for(){(-split'^(")v v(")^ ^(")^ v(")v (>")> <(")> <("<)')[($i=0..6|random)];sleep -m((100,200)[$i-gt3]*$args[0]);cls}

Try it online! (Not that it will work in TIO...)

PowerShell, 124 bytes

for($b='^(")v v(")^ ^(")^ v(")v (>")> <(")> <("<)'.Split()){$b[($i=0..6|random)];sleep -m ((100+100*($i-gt3))*$args[0]);cls}

Try it online! (not that it will work in TIO...)

PowerShell, (削除) 124 (削除ここまで) 117 bytes

(Thanks TimmyD )

for(){(-split'^(")v v(")^ ^(")^ v(")v (>")> <(")> <("<)')[($i=0..6|random)];sleep -m((100,200)[$i-gt3]*$args[0]);cls}

Try it online! (Not that it will work in TIO...)